"Whoever comes first, loses. Shall we do it?" A naughty romance between a naive yakuza grunt and an impish gambler star in this story you won't want to put down! When tough guy yakuza Ginpei, also known as Unbeatable Silver, corners the cheating Ryota, his captive challenges him to a dirty game. Ryota has a clear advantage, but reveals his weak spot! How far is Ginpei willing to go? First to say "I love you" loses! Thus begins this BL romance with the only thing more dangerous than money: Love!