It's a yaoi and the Uke have a tatoo on his belly. The seme think It is a heart but It is a uterus. I don't remember nothing else.
http://www.mangago.me/read-manga/restart_harada/
Wait there are two http://www.mangago.me/read-manga/chou_to_hana_no_kankeisei/
http://www.mangago.me/read-manga/chou_to_hana_no_kankeisei/
It's a yaoi and the Uke have a tatoo on his belly. The seme think It is a heart but It is a uterus. I don't remember nothing else.