TOP 5!

#1-5?
http://www.mangago.zone/home/mangalist/601315/

manga
-) http://www.mangago.zone/read-manga/junai_drop_out/
-) http://www.mangago.zone/read-manga/komatta_toki_ni_wa_hoshi_ni_kike/ (Shounen Ai)
-) http://www.mangago.zone/read-manga/bi_no_isu/
-) http://www.mangago.zone/read-manga/boku_o_warui_ko_ni_shite/
-) http://www.mangago.zone/read-manga/therapy_game/ (Prequel) http://www.mangago.zone/read-manga/therapy_game_restart/ (Sequel)

manhua
-) http://www.mangago.zone/read-manga/blood_bank/?twpV
-) http://www.mangago.zone/read-manga/royal_servant/
-) http://www.mangago.zone/read-manga/geu_kkeute_issneun_geos/?0ZlT
-) http://www.mangago.zone/read-manga/bl_motel/?8FcE
-) http://www.mangago.zone/read-manga/my_darling_signed_in/

Not really sure since it's a difficult question but something like:
http://www.mangago.zone/read-manga/geu_kkeute_issneun_geos/?rUY6
http://www.mangago.zone/read-manga/jackass_sawatte_ii_tte_dare_ga_itta_yo/
http://www.mangago.zone/read-manga/yuuutsu_na_asa/
http://www.mangago.zone/read-manga/hanagara_tsumi/
http://www.mangago.zone/read-manga/caste_heaven/
http://www.mangago.zone/read-manga/yahwacheop/

....why only 5??T-T
Okey...it was almost impossible, but here you go:
Work, fight and love
Lover boy
Love is an illusion
Love or hate
Bokura no negai

dozo

http://www.mangago.zone/read-manga/there_s_no_way_this_is_fate/

http://www.mangago.zone/read-manga/sensei_wa_butchozura_shite_yatte_kuru/

http://www.mangago.zone/read-manga/kiraide_isasete/

http://www.mangago.zone/read-manga/mou_ichido_nando_demo/

http://www.mangago.zone/read-manga/kashikomarimashita_destiny/

shall we go surfing
at the end of the road
bokura no shokutaku
never understand
dasadanan
unripened expression
heesu in class 2

sorry i can't choose just 5 :( btw i'm a big fan of cute story, so basically almost every sho-ai are my favs lol