Pi Ji-yung

Student teacher Kang Eun-kyung encounters a group of girls in a black magic club who are topping the national mock exams.

"I just got dumped. Will you have breakfast with me?" At a breakfast club, heartbroken Sa-gang and Ji-hoon stumble upon mysterious "breakup souvenirs." Each item holds a secret pain, reflecting their own. Will they find the souvenir's owner?

The three women are curious about the situation in room 404.