Kusatta Kyoushi No Houteishiki (Yaoi) manga

Completed   
Kodaka Kazuma 1993 released.
Comedy / Romance / School Life / Shounen Ai / Yaoi
腐った教師の方程式; Bad Teacher's Equation (English); Equation of a Degenerate Teacher; Kiss me, Teacher (German); Kusatta; Rotten Teacher's Equation (English); L'equazione del professore(Italian)
Vol.10 Ch.47.4(end)
Vol.10 Ch.47.3
Vol.10 Ch.47.2
 8.8
275 voted
64.7%
18.9%
10.9%
3.3%
2.2%
rate:

Summary

The following content is intended for mature audiences and may contain sexual themes, gore, violence and/or strong language. Discretion is advised.

A boy changes schools to be near his childhood crush. Mistaken identities and numerous love triangles ensue.
Atsushi Arisawa enrolls at Jougaouka High School to be near Masami Shibata (Ma-chan) who was his childhood crush. Unbeknownst to Atsushi, however, Masami no longer works at the school and his brother, Masayoshi is now the nurse. Atsushi mistakes Masayoshi for Masami and is horrified because to him, it appears that Masami's personality has done a complete 180. Add to the fact that Atsushi's friend, Kouji Inagaki is totally in love and constantly trying to make-out with him, Atsushi's life at Jougaoka is hell until he starts thinking that maybe the new Ma-chan isn't so bad after all and that, maybe he actually likes the way Ma-chan is now. Until of course, he finds out that Masayoshi isn't Masami.

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Other manga by the same author(s)

Chapters(57)

Kusatta Kyoushi No Houteishiki Vol.10 Ch.47.4(end)

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.10 Ch.47.3

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.10 Ch.47.2

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.10 Ch.47.1

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.10 Ch.47

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.10 Ch.46

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.10 Ch.45

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.10 Ch.44

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.10 Ch.43

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.9 Ch.42.1

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.9 Ch.42

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.9 Ch.41

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.9 Ch.40

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.9 Ch.39

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.9 Ch.38

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.8 Ch.37

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.8 Ch.36

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.8 Ch.35

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.8 Ch.34

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.8 Ch.33

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.7 Ch.32

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.7 Ch.31

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.7 Ch.30

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.7 Ch.29

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.7 Ch.28

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.7 Ch.27

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.6 Ch.26

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.6 Ch.25

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.6 Ch.24

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.6 Ch.23

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.6 Ch.22

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.5 Ch.21

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.5 Ch.20

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.5 Ch.19.2

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.5 Ch.19

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.5 Ch.18

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.5 Ch.17

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.4 Ch.16.1

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.4 Ch.16

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.4 Ch.15

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.4 Ch.14

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.4 Ch.13

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.3 Ch.12

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.3 Ch.11

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.3 Ch.10.2

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.3 Ch.10.1

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.3 Ch.10

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.2 Ch.9.1

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.2 Ch.9

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.2 Ch.8

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.2 Ch.7

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.2 Ch.6

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.2 Ch.5

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.1 Ch.4

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.1 Ch.3

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.1 Ch.2

Jan 14, 2011

Kusatta Kyoushi No Houteishiki Vol.1 Ch.1

Jan 14, 2011
...
click to show all of the chapters
Sort by: Popularity / Date
2015-10-25 07:18
Great BL story it has different faces of emotion you can feel onto this story. It elaborates the likes to love and even to mature one after the long hardship. Shibata brothers are really something :P as damn they so sexy :3 fu fu fu .... One of my Favorite BL long story.
MUST READ THIS:
Kusatta dj -> Happy Dream? (Side Story)
Kusatta Kyoushi No Houteishiki -> Main Story (Prequel)
Renai Houteishiki -> Main "KIDS" Story (Sequel)
2015-05-13 09:23
i tried and tried to get though this manga but i can not
2015-07-07 14:04
Slow and painful to start but the end is worth it.
2014-09-27 03:04
Kusatta dj - Encore (Side Story)
Kusatta dj - Happy Dream? (Side Story)
Renai Houteishiki (Sequel)
2014-11-11 22:35
One of my first manga. I loved it!

70 Topics

  1. LuddaChan
    August 25, 2016 10:01 am

    Really, this is the best manga i've read so far
    Don't give up guys, this manga is hilarious and sometimes dramatic, and it's the best, because the relationships develop between the volumes. Thanks to the ovas i've found one of my favourite yaoi (⌒▽⌒)

  2. Anonymous June 23, 2016 7:58 am

    tip: don't give up on reading this too quickly. give it a chance and let the characters grow on you.

  3. Anonymous June 23, 2016 5:13 am

    the first substantial yaoi that i truly loved... first read it 11 years ago

  4. chic
    April 17, 2016 5:37 am

    Why did I keep leering at Inagaki instead. The sporty young un with such a bright positive atmosphere. (づ ̄ ³ ̄)づ ~ ♡

  5. Juvie-Hyukie
    April 8, 2016 6:33 pm

    i stopped at vol.1 ch.2

    • ulala May 27, 2016 12:42 pm

      I stopped at chap 6 and start again at chap 47 ( ̄へ ̄)it's cute but.. something ahaha

  6. Anonymous February 13, 2016 7:32 pm

    This was published in English right? But there's only 5 volumes, does this mean they only published half of it? Or are the published ones longer than the ones here and it is complete??

    • Digiwolf
      February 13, 2016 7:54 pm

      The volumes released by June are 2 in 1 deluxe editions, so the series was fully released in English.

    • Lost-Fudanshi February 14, 2016 5:21 pm
      The volumes released by June are 2 in 1 deluxe editions, so the series was fully released in English. Digiwolf

      Thank you!

  7. Anonymous February 13, 2016 8:37 am

    I really dislike Arisawa:T and my gawd I hated that brother complex in the beginning. I'm still trying to finish it but dang, there are some parts in this manga that really annoy the heck out of me, I'm halfway done so there's no turning back now._. Hopefully it gets better to the end.

    • Anonymous February 15, 2016 5:59 am

      Nvm, it was pretty good. I'm glad I decided to finish. Even though it was a pain to start, it ended well:)

  8. mini_b2013
    January 16, 2016 5:22 am

    At first i thought Arisama was going to be the seme..cuz in the beginning it fit him more but as i kept reading the author was making sensei the seme.didn't like it @first because arisama look alil feminine and boyish but as i kepy reading he started looking more mature and manly i like that and sensei does fit the seme role now ヾ(☆▽☆)

  9. Rosa
    January 10, 2016 6:21 am

    After reading 47 chapters, I have come to grow attached to this manga. Especially when it shows the process of students growing up right before my eyes :'( it feels a bit lonely now that I have finished it.

    Ps: I'm getting tired of this "I'm not gay, but he is the exception" bullshit

    Pss: I'm not an expert, but if you position the fingers upward like that inside the anus, you won't reach the prostate because it is closer to the testicles area.

  10. Manga lover December 17, 2015 7:58 pm

    Reply to Semsei's wish I'm second last page: Yes Sensei! Kusatta will remain in our hearts for long as a beautiful and touchy story. Thank you very much & thanks the team for such a great work.

  11. Koonin
    November 8, 2015 3:12 pm

    I know it's the gap of one whole volume going there between
    vol.3 and 4. And I know well that Sensei's drawing tends to change at
    some point in the long series just like Sensei's other works.
    But when I think about the time in manga.. it's only been one or two days apart..
    that Atsushi's suddenly maned-up and Masayoshi started looking more girly.
    I know there's gotta be the change of role I have in mind. I'm like "Isn't this way too soon
    for just 1 or 2 nights, Sensei?!" Ahaha~ Well, it's okay either way, really. >♢< I like a surprise
    in this kinda thing. And, more importantly, Sensei's Uke may seem girly
    (and I don't like girly ones) .. but in my pov
    and exclusively only for Sensei's style that I think only Sensei can make girly Uke so
    damn HOT & SEXY in my eyes~! *drool*

  12. Name-chan November 2, 2015 10:38 am

    I didn't happy seeing Arisawa end up with Masayoshi anyway. It's the first time, i dont like the main character. During read this manga, i keep saying "Please give up, Arisawa!" so pissed me off.

  13. kol
    November 1, 2015 4:02 pm

    At first it was a bit slow and boring but if you read it till the end, you will find it very nice and enjoyable to read. Very worth the time reading.
    (⌒▽⌒)

  14. Shikisek November 1, 2015 1:38 am

    Its really great story, but its such a pitty that have OVA from the the first manga story : /

  15. Manga Devourer
    October 31, 2015 11:55 pm

    That was a long one but I loved it, kinda sad it's finished after having got to know all these characters.

  16. Bootxs
    October 3, 2015 7:00 am

    Kouji grew up.... so fine.. I really wanted kouji and Arisawa together

    • Anonymous October 7, 2015 2:57 pm

      'em feels bruh ╥﹏╥

    • LinaLauLiu January 13, 2016 1:09 am

      me too,,,
      I thought that masayoshi will be together with mizuha and kouji with arisawa ╥﹏╥

  17. maychan September 20, 2015 12:44 am

    I read a lot of Yaoi mange, and I be honest I really didn't like how everyone fell for "Ma-chan" the main Character, his own brother [WTF] and the other teacher. the same go for Atsushi, too many people fell in love with him what feel with no reason at all. but other then that, I have to say, this is the first mange that doing a real Development then to just jump to the sex and say "they love each other so they have sex" like so many mange's do. not that it's bad, but I love a good development romance when I see one. even if it seem like it's going no where at first, it really did grow strong with time and it really hard to do. it really did a great job with making me feel it's not about the sex with a teacher, it really about how they get to be together and love each other for real. the sex scene, well it could have been "batter" but it's an old mange. and I didn't mind the drawing too much. it was a very Interesting mange, I wish more mange could do some development like this.
    actually, I know from the first ch Inagaki will not end up with Atsushi, it was so Obvious to me until it was painful to watch him trying so hard. I would have Prefer he end up with other man but..well whatever. good job! love this..even if it was way longer and sometimes painful to watch, I enjoyed it.

  18. can do it August 10, 2015 11:09 am

    the first work i read by this mangaka was KIZUNA i some of her other work but no one topped kizuna(including this one) it wasn't bad but not great either....it was okay

  19. Pacgirl
    July 11, 2015 9:55 pm

    I gotta say I was expecting the main couple to switch positions a couple times, but it was still an awesome read.

  20. Love child June 6, 2015 5:23 am

    All the sex nere the end woooow.
    Great store almost like " Complex"
    I love stories like this so happy right now.

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