SOLVED Help me find this manga pls

[HoangDinh]

MC saw his lover (a saintess) go into the room of the hero in his party to cheat on him. The day after he got banished and left to die or something like that. He got so salty and filled with despair it triggered some kinda power giving him an aura that repeatedly deducts 1 HP from nearby enemies.

 

[Reiru]

MC saw his lover (a saintess) go into the room of the hero in his party to cheat on him. The day after he got banished and left to die or something like that. He got so salty and filled with despair it triggered some kinda power giving him an aura that repeatedly deducts 1 HP from nearby enemies.

https://mangadex.org/title/3df2a51a...-s-party-but-i-awakened-to-the-ex-skill-fixed