| Mochida Satoshi | Ken Shinya |
| Mochida Yuka | Vitamin Chii |
| Nakashima Naomi | Amaoto Junca |
| Kishinuma Yoshiki [Seiyuu known as Sora until Chapter3] | Yoshida Fuyuhiko |
| Shinozaki Ayumi | Ooyama Chiroru |
| Shishido Yui | Kamishiro Sakuya |
| Shinohara Seiko [Seiyuu known as Honda Shinobu until Chapter4] | Honda Miki |
| Suzumoto Mayu | Yanagi Asumi |
| Morishige Sakutarou [Seiyuu known as Seishilu until Chapter3] | Sasahara Nata |
| Kizami Yuuya | Ryuumon |
| Kizami Yuuya (Elementary School Student Period) | Kamishiro Sakuya |
| Saenoki Naho | Aihara Kaori |
| Kibiki Kou | Shinya |
| Yanagihori Yoshikazu | Oze Shinichi |
| Tsubota Mikio | Yossy-Balan |
| Yamazaki Hajime | KK |
| Mysterious Gentleman - Shimoda | Sugita Tomokazu |
| Kanno Yuki | Koharu Hiyori |
| Tsuji Tokiko | Yukino Kotone |
| Yoshizawa Ryou | mai (2) |
| Shinozaki Sachiko | Amau Iku |
| Kurosaki Kensuke | Kidou Gakuto |
| Kurosaki Kensuke (Elementary School Student Period) | Sayu |
| Fukuroi Masato | Shinya |
| Yamamoto Mitsuki | Yamato Aki |
| Urabe Emi | mai (2) |
| Kirisaki Touko | Katsuragi Koyori |
| Ookawa Tomohiro | Aiba Keisuke |
| Shimada Kai | Nagi Kaiji |
| Akaboshi Kokuhaku | mai (2) |
| Shinozaki Hinoe | NAKI |
| Nakashima Natsumi | Ooyama Chiroru |
| Shinohara Yuu | Miyaguchi Yuuki |
| Suzumoto Yukie | Miyaguchi Yuuki |
| Kizami Haruna | Koharu Hiyori |
