Masachika is having trouble studying for exams until Alya decides to wager a favor on how well he does. When Alya discovers she wasn't invited to celebrate Masachika's birthday, she spends several days questioning just how close they actually are.
Sumire Uesaka
Alisa 'Alya' Mikhailovna Kujō (voice)
Kohei Amasaki
Masachika Kuse (voice)
Wakana Maruoka
Yuki Suō (voice)
Yukiyo Fujii
Maria 'Masha' Mikhailovna Kujō (voice)
Saya Aizawa
Ayano Kimishima (voice)
Maki Kawase
Chisaki Sarashina (voice)
Kaito Ishikawa
Touya Kenzaki (voice)
Ikumi Hasegawa
Sayaka Taniyama (voice)
Yoshino Aoyama
Nonoa Miyamae (voice)
Koudai Sakai
Takeshi Maruyama (voice)
Taichi Ichikawa
Hikaru Kiyomiya (voice)