Oooh I want to read something like that as well~
(:
http://www.mangago.zone/read-manga/escape_journey/
http://www.mangago.zone/read-manga/how_to_hate_mate/
http://www.mangago.zone/read-manga/cosmic_boy/ (not exactly)
http://www.mangago.zone/read-manga/hogu_hagyeongsu/?av=2 (pretty fucked up)
http://www.mangago.zone/read-manga/sabita_yoru_demo_koi_wa_sasayaku/ ( read the whole series in proper order,you can find the order in comments)
http://www.mangago.zone/read-manga/kataomoi_to_parade/
Thank you so much
Is there yaoi manga where the MC has as an unrequited love that later that becomes mutual? However, the MC ends up with somene else because the unrequited love missed his window of opportunity.