Bae Shinju, Jang Maro, Yoo Hana, and Cho Jihoon were close friends since elementary school. During their 2nd year of High School, Maro chooses to confess to Shinju. Shinju's refusal to respond to Maro out of concern for their friendships came across as a rejection. But... On that very day, Jihoon and Hana began dating. "This is a betrayal!" "A betrayal!"
