bl manwha where both of em are toxic (?) not the abusive type.

Eighteens bed ! Although I wont say it's like the toxic toxic but it's one messy ride^^

https://www.mangago.zone/read-manga/stalker_s_game/

this is like mutual toxicity but in a more mentally ill depressing bleak kinda way. it will either leave a bad taste in ur mouth or u like the bleakness of it. either way u will feel pity

A crown of thorns :3