I wanna reread this manga, its omegaverse. There have twin, omega and alpha(if i not mistake). They have friend which is alpha. So the omega on heat at school (he alone at there), so their friend(alpha) forfet he left his wallet at school so he go back to school. So they kinda be mate (⊙…⊙ ) So another twin left the village/town because he inlove with that alpha. And he back to village/town after his twin dead. This all i remember.
I don't really remember this and haven't done read it but maybe this one ? http://www.mangago.me/read-manga/hebi_no_seikatsu/ if not then I'm sorry
http://www.mangago.me/read-manga/hebi_no_seikatsu/ Is it this one?
Any manga which uke/seme scared to fall in love/date with someone straight but at the end they end up together
http://www.mangago.me/read-manga/tonari_no_usotsuki_suzaka_shina/
Seme is straight and is having doubts . this manga will melt your heart, don't cry tho cx
http://www.mangago.me/read-manga/neon_sign_amber/