Sonoko Nanakura is a straight A student, daughter of a doctor. She meets Wataru Okochi, a tall orphan guy working in a factory, who attends school at night. Her parents warn her not to get involved, and a smart boy Yusuke Hasebe also seems interested in her.

Tomoya Nagaseas Wataru Okochi
Miki Sakaias Sonoko Nanakura
Takashi Kashiwabaraas Yusuke Hasebe
Kotomi Kyonoas Madoka Ino / Madoka Toyama
Ryoko Yuuias Kayano Shiota
Erika Mabuchias Fuyumi Tachibana
Ryu Nakamuraas Shinji Toyama
Kimiko Yoas Masako Ozawa
Rumi Matsumotoas Ayako Nanakura
Kei Yamamotoas Katsuhiko Nanakura
Keiko Nobumoto
Taro Iwashiro