Responses
https://www.mangago.zone/read-manga/oujisama_dochirasama/
https://www.mangago.zone/read-manga/negative_kun_to_positive_kun/
https://www.mangago.zone/read-manga/kimi_towa_gokai_kara_hajimarimashitaga/
Pathetic gloomy chars... The first one might suit ur description best I think
BL with an absolutely wet blanket pathetic loser character. the most sad depressing little guy who's been spiritually run over by a pickup truck. bonus points if it's the top/seme and he grovels but i'll take anything