4. I Have a Problem

Shun Horie

Kyotaro Ichikawa (voice)

Hina Youmiya

Anna Yamada (voice)

Ayaka Asai

Chihiro Kobayashi (voice)

Kenji Nomura

Maeda-sensei (voice)

Chinami Nishimura

Kyotaro and Kana's Mother (voice)

Shunichi Maki

Chemistry Teacher (voice)

Emiri Suyama

Student (voice)

Yu Serizawa

Rin Kanaoya (voice)

Megumi Han

Moeko Sekine (voice)

Atsumi Tanezaki

Serina Yoshida (voice)

Yukari Tamura

Kana Ichikawa (voice)