Oko-sama Star
http://www.mangago.me/read-manga/aitsu_no_daihonmei/ is adorably cute!!
Fluffy and sweet http://www.mangago.me/read-manga/kamisama_ga_yadoru_kotoba/
http://www.mangago.me/read-manga/star_like_words/
http://www.mangago.me/read-manga/kimi_note/
http://www.mangago.me/read-manga/deri_pocha_yajuu_no_h_na_gohan
http://www.mangago.me/read-manga/kijima_kun/
http://www.mangago.me/read-manga/shishi_mo_kobamazu/
http://www.mangago.me/read-manga/caramel_honey/
I hope these fit your tastes! I personally think they all would!~ (Also, just don't ask why I knew so many off of the top of my head.) These are just ones I have read or reread recently, if I remember more, I'll let you know!~
School life with fluffy stories, someone pls give me some