my sister wants to start reading manga I recommend her 100% perfect girl but she said she ...

man, cute and fluffy and without distraction? that's hard

nukoduke
love so life
dengeki daisy
full metal alchemist (seriously, get her to read this sometime)
VB Rose
Hiyokoi
Natsume yuujinchou
crayon days

http://www.mangago.me/read-manga/dramatical_murder_dj_noiao_family/

how about horimiya,. I've been give up with Shoujo.. but Horimiya able to take my attention.. It's Shoujo BTW

http://www.mangago.me/read-manga/hana_kimi/
this is also a great shojo..

http://www.mangago.me/read-manga/horimiya/ the horimiya.. just realize the genre is not shounen.. but the story is sweet and funny

I'm not sure what you mean by "without distraction" but here are some good ones:
Shounen-Ai:
http://www.mangago.me/read-manga/hana_no_mizo_shiru/
http://www.mangago.me/read-manga/hana_no_migoro_ni/
http://www.mangago.me/read-manga/slow_starter_ichikawa_kei/
http://www.mangago.me/read-manga/1001_nights/
http://www.mangago.me/read-manga/senpai/
http://www.mangago.me/read-manga/sorenari_ni_shinken_nandesu/
http://www.mangago.me/read-manga/asterisk/

Shoujo:
http://www.mangago.me/read-manga/you_re_my_girlfriend/
http://www.mangago.me/read-manga/akagami_no_shirayukihime/
http://www.mangago.me/read-manga/jinjuu_houretsuden/
http://www.mangago.me/read-manga/coda/

thanx ;)

Thank uuu

thanxxxxxx

Thank you

for shoujo I would recommend taiyou no ie or Hibi chouchou ( this one is really cute and fluffy > < ) for shounen ai I would recommend no.6

Thank you:)