Responses
I thought it was time!
https://www.mangago.me/read-manga/i_thought_it_was_time/
OMG YESS THAT'S IT, THANK YOU ILYSM
the fl has pink hair and the ml has black hair. the ml got cursed or something and the fl has the power to undo the curse little by little, everytime the fl undo the curse she will exhausted. please help I really don't remember anything else other than that