素直にならないと出られない部屋に閉じ込められた喧嘩の絶えない幼馴染の二人はその部屋から出た後つきあうことになったようです (Associated Names)

A story of two quarrelsome childhood friends who are locked in a room they can’t get out of unless they’re honest with each other, and after they get out of the room, they start dating.