High school freshman Hiromi joins the tennis club because of her admiration for Ryuzaki. Ryuzaki is a senior, who's the best tennis player on the team and also nicknamed "Ochōfujin", ("Madame Butterfly"), because of her elegance on the tennis court. However, the new coach, Jin Munakata, wants the inexperienced Hiromi to play in a forthcoming tournament.
| Actor | Role |
|---|---|
 Makoto KousakaHiromi Oka (voice) | Hiromi Oka (voice) |
 Masako IkedaReika Ryuuzaki (voice) | Reika Ryuuzaki (voice) |
 Kōji NakataJin Munakata (voice) | Jin Munakata (voice) |
 Katsuji MoriTakayuki Todou (voice) | Takayuki Todou (voice) |
 Masako SugayaMaki Aikawa (voice) | Maki Aikawa (voice) |
 Gorō NayaChairman Ryûzaki (voice) | Chairman Ryûzaki (voice) |
 Kazuko YanagaRanko Midorikawa (voice) | Ranko Midorikawa (voice) |
 Kazuyuki SogabeTakashi Chiba (voice) | Takashi Chiba (voice) |
| SShinji ToyotaYû Ozaki (voice) | Yû Ozaki (voice) |
 Gara Takashima(voice) | (voice) |
 Kazue KomiyaKyoko Otowa (voice) | Kyoko Otowa (voice) |
| KKyoko Aoi(voice) | (voice) |
 Seiko Nakano(voice) | (voice) |
 Hidetoshi Nakamura(voice) | (voice) |
 Akira Murayama(voice) | (voice) |
| MMakiko Okamoto(voice) | (voice) |
| MMiyuki Tsumori(voice) | (voice) |
| TTamaki Sakai(voice) | (voice) |
| MMariko Akino(voice) | (voice) |
| NNatsuyo Ishii(voice) | (voice) |
| MMinoru Midorikawa(voice) | (voice) |