Chiyomi Horikiri (Ai Iinuma) is a warm hearted high school student. She is a member of her school's basketball team. She stays bright even in a bit complicated family composition. Her boyfriend is Hiroyuki Minami (Yusei Yagi). One day, Hiroyuki Minami suddenly shrinks in size to only 15 cm. in height. He can easily fit in the palm of someone's hand. He appears in front of his girlfriend Chiyomi Horikiri.
Iinuma Ai
Yusei Yagi
Shinji Takeda
Yoshino Kimura
Mariko Kaga
Shigeru Muroi
Ken Mitsuishi
Ikki Sawamura
Banka Tenta
Rena Takeda
Nao Yamato
Yoji Iwase
Shuto Imai
Keisuke Watanabe
Akiko Yagi