Kimi wa Petto
Dame na Watashi ni Koishite Kudasai
http://www.mangago.me/read-manga/kamisama_hajimemashita/
http://www.mangago.me/read-manga/horimiya/
http://www.mangago.me/read-manga/koe_no_katachi/
http://www.mangago.me/read-manga/bokura_ga_ita/
http://www.mangago.me/read-manga/dengeki_daisy/
http://www.mangago.me/read-manga/kodomo_no_omocha/
http://www.mangago.me/read-manga/watashitachi_no_shiawase_na_jikan/
http://www.mangago.me/read-manga/ao_haru_ride/
check out my non-yaoi list
http://www.mangago.me/home/mangalist/6516/
actually there`s no yuri either^^
Can anyone recommend a manga that doesn't involve yaoi or yuri.