Mika Tahara (Elena Mizusawa) is an ordinary high school girl. One day, out of the blue, one of her classmates kisses her. His name is Hiroki Sakurai or Hiro (Koji Seto). Hiro stands out with his bleached hair and piercing. Apparently he is also dating someone right now. Mika is shocked and hurt that her first kiss had to happen this way. She desperately tries to forget about this kiss. Her friend tells her that she should find somebody else and suggests Tatsuya, another boy in the class. However, before she even realizes it, Mika is already in love…