Recommend some yaoi mangas with student x teacher?? ლ(´ڡ`ლ)

Have you ever read this? http://www.mangago.me/read-manga/yukidoke_no_koi/
The story is so good, very heartwarming.

Pink to mameshiba ^o^

http://www.mangago.me/people/tag/2931/student+x+teacher/

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

Sensei Nante Kirai Desu

Koi ni Nare