Not in Textbooks 4 (教科書にないッ！4) 6 years old

The fourth in a school romantic comedy that features a popular comic by Kazuto Okada starring Ayaka Morikawa and Ryouma Baba. One day, a love letter arrives under the Japanese language teacher, Tairaku Arihiko, at Otome High School. Around the same time, an incident occurred around the student, Aya Shirakaba, who was living with him...

Credits

Not in Textbooks 4 Cast

Name	Character
Baba Ryouma He was 32, now 39 years old	as Arihiko Tairaku

Not in Textbooks 4 Crew

Name	Department
Kôji Hoshino as Executive Producer.	Production
Kenichi Negishi as Director of Photography.	Camera
Kenichi Negishi as Cinematography.	Crew