Kare no Shiranai Himitsu wo Irete.

TV series

Starring Chiyuki Miura, Ryo Sugisaki, Ayano Shibuya, Yūta Igarashi

Two months into their relationship, Yui and Naoya are still adjusting to life as a couple. Everything changes when Yui unexpectedly reunites with the man who was her first sexual partner. Threatened with having her past exposed, she is forced to keep a painful secret from Naoya, putting their relationship and her feelings to the test.