Jin-Sang is a troublemaker in his family. He is suspected of fraud and murder, while Detective Choi is chasing after him. Jin-Sang has a younger brother Jin-Ho. He always tries to get close to his younger brother, but Jin-Ho hates him. Jin-Ho is a high school student and dreams of becoming a singer, but he keeps failing his auditions.

Hiya

Joon Ho is a third year high school student who just finished taking his university exam. His main interest is to sleep with Seo Yeong, his girlfriend, but, so far, she has turned him down.

Explicit Innocence

Hwa-young is an 18-year-old student living alone. Her friends call her "mom" and use her house as their place to hang out, but don't really include her in their clique. Hwa-young pays particular attention to one of the friends, Mi-jeong.