Leo Mason gains an ability: the unluckier he is, the luckier he gets. His ability is confirmed when hit by Yuna Carlton's car. Yuna offers Leo to be her fake boyfriend for arranged marriage. Leo enrages Charles Carlton. Facing Charles's tests, Leo's bad luck is his trump card: his Grandmaster opponent has a heart attack. Leo wins the Carlton family's approval, Yuna promotes him to official boyfriend, and they find love.