what could be worse than twins who are in love with you? You're Kim Sunoo and you're an ordinary student, but your twins aren't. Ri-Ki and Ni-Ki. Ri-Ki is an employee in a huge company and earns several million won a day, and Ni-Ki is a soloist and a bully. Ni-Ki doesn't think about anything but you, also with Ri-Ki. You were visiting Ri-Ki and Ni-Ki, as Ni-Ki cheerfully said. ”Sunoo, come on in a bottle?” But then Ri-Ki joined in. ”it's stupid, there are three of us... but okay.”