Cha Heon is a student at Chun Ji High School who has both good looks and brains. He appears to be a cold character, but he is actually someone with a warm heart who can’t express himself well.
Shin Sol Yi is a bright and bubbly 17-year-old who has a crush on Cha Heon. She openly confesses her love to Cha Heon constantly. She is a clumsy but lovable character.
Woo Dae Sung is a talented swimmer who transfers to Chun Ji High School and falls for Shin Sol Yi. He hides his feelings for her and quietly stays by her side.
(Source: Soompi)
~~ Adapted from the web novel "A Love So Beautiful" (致我们单纯的小美好) by Zhao Qian Qian (赵乾乾).