Responses
https://www.mangago.zone/read-manga/i_have_become_a_hero_s_rival/
I actually forgot about the plot but was it this one ?
YES thank u
It’s an iseki i think and the male lead had white hair and a sister who also has white hair i think. And the female lead had him build magic resistance as he had to get an evil arrow in him which gave him a demon. this demon made him struggle to control desire for the fl. Ifs a popular manga idk why i can’t find. ty