Secret Relationship: The teacher is my housemate

Kotaro Koizumi

as

Kobayashi Naoki

Saki Fukuda

as

Sawamura China...

Eriko Sato

as

Matsumiya

Masanori Ishii

Akiyoshi Nakao

as

Kuramae Ryota

Moe Arai

as

Anzai Rika

Haru

as

Miyako