Responses
This kinda has the flow, ish.
https://www.mangago.zone/read-manga/samenai_yume/
Im pretty sure there were others with similar plot but i forgot _(:3」∠ )_
beta
his brother dead cuz of him and he became replacement for his brother's lover. but the lover didnt really love him and then they didnt end up together and then the lover regret it. (he has depressing life ever since he was a child cuz other favor his brother more)