Mai (Rika Adachi) is a high school student. She attends a new school and there she meets her classmate Shino (Manami Enosawa). Shino was bullied by Mai's friends back in their middle school days. Table have now turned.
| Actor | Role |
|---|---|
 Rika AdachiMai Kasai | Mai Kasai |
 Manami EnosawaShino Odagiri | Shino Odagiri |
 Kayano MasuyamaYuria Fujitsuka | Yuria Fujitsuka |
 Yui OkadaShizuka Natori | Shizuka Natori |
 Tom FujitaYui Kuroki | Yui Kuroki |
 Koji KominamiAtsushi Toma | Atsushi Toma |
 Ayako KawaharaKyoko Kasai | Kyoko Kasai |
| KKoharu NakayaShoko Eisen | Shoko Eisen |
 Haruka ImouChiho Kondo | Chiho Kondo |
| KKyle TakanoRyo Okura | Ryo Okura |
| AAira NakajimaMinami Abe | Minami Abe |
 Kanon HanakageHiroko Hanabusa | Hiroko Hanabusa |
 Yuji YoshimasuNaoji Ichikawa | Naoji Ichikawa |
 Mayu KitakiRika Hasegawa | Rika Hasegawa |
 Hiromi MinoshimaRena Aoyama | Rena Aoyama |
 Nanase IwaiYoko Sumida | Yoko Sumida |
 Marika ItoMariko | Mariko |
| YYukinoMoena Yamamoto | Moena Yamamoto |
 Wan MaruiMarina Aizawa | Marina Aizawa |
 Mao MiyajiMidori Oseto | Midori Oseto |
 Eiku YamashitaClassmate | Classmate |
 Naoya KusakawaClassmate | Classmate |
| Koji KominamiToma Atsushi | Toma Atsushi |