is this a manga? it looks kind of funny, i want to read it

http://www.mangago.me/read-manga/k_sensei_no_yajuu_na_aijou/ (though that part i think is from the sequel)

this is the sequel btw:
http://www.mangago.me/read-manga/k_sensei_no_yaban_na_renai/

K-sensei series.
It appears in http://www.mangago.me/read-manga/k_sensei_no_yaban_na_renai/
But the story begins with http://www.mangago.me/read-manga/k_sensei_no_yajuu_na_aijou/