yaoi/shounen ai (sorry i can't pick just one so just top5) :
http://www.mangago.me/read-manga/doushitemo_furetakunai/
http://www.mangago.me/read-manga/bokurani_matsuwaru_etc/
http://www.mangago.me/read-manga/rutta_to_kodama/
http://www.mangago.me/read-manga/heart_no_kakurega/
http://www.mangago.me/read-manga/seven_days/
shoujo:
http://www.mangago.me/read-manga/shiawase_kissa_sanchoume/
shounen:
http://www.mangago.me/read-manga/kuroko_no_basuke/ (sports)
http://www.mangago.me/read-manga/fullmetal_alchemist/ (action/adventure)
Yaoi
The Warui Series: http://www.mangago.me/read-manga/i_want_to_be_naughty/
http://www.mangago.me/read-manga/haru_wo_daite_ita/
http://www.mangago.me/read-manga/saezuru_tori_wa_habatakanai/
http://www.mangago.me/read-manga/lovers_doll/
http://www.mangago.me/read-manga/heart_no_kakurega/
http://www.mangago.me/read-manga/hana_no_mizo_shiru/
http://www.mangago.me/read-manga/no_6/ (Shounen-ai)
Shoujo
http://www.mangago.me/read-manga/kodomo_no_omocha/
http://www.mangago.me/read-manga/bokura_ga_ita/
http://www.mangago.me/read-manga/kamisama_hajimemashita/
http://www.mangago.me/read-manga/dengeki_daisy/
Can you recommend for me your favorite manga :)
Thank you