OVA Mako-chan Kaihatsu Nikki / Diary of Mako-chan's Development

Studio T-Rex, together with Lune and director Raika Ken, announced a hentai anime adaptation of "OVA Mako-chan Kaihatsu Nikki" based on the manga of the same name by Muchakai. 2 episodes are planned, release is scheduled for early July 2021. The main heroine of the hentai is a girl named Makoto Himemeya - a student, an excellent student, and a bit of a pervert with a very strong libido. Recently, Makoto confessed her love to her childhood friend Kaoru and had her first kiss. After such an incredible and memorable event, our heroine decided to masturbate a little while watching another porn video and release the accumulated excitement. Her stepbrother silently observed this daily process of arousal and masturbation. However, one fine day, when Makoto invited her boyfriend over, he decided to intervene and satisfy the lust that had accumulated in his sister.