Uhhh so basically the mc confesses to his crush with a note but the girl he has a crush on assumes it's for her brother, so MC starts dating the brother etc ect. (︶︿︶)＝凸
https://www.mangago.me/read-manga/blunder_turned_wonder/
is it this one idk just want to help? if not you should still read it its reeaaallyy cute love is ╮(￣▽￣)╭ reply
