Fangtasia's manga / #Android(3)

SUPPORT ON LEZHIN <3 Ivan is a guardian android, responsible for teaching the orphanage children everything they’ll need to thrive in the big, wide world. Rau has been in Ivan’s care for years now, but recently they’ve grown distant. What’s more, Rau’s graduation into adulthood has brought on physical changes, mood swings and uncontrollable urges. Desperate to rebuild bridges before Rau’s impending departure, Ivan offers to grant him a birthday wish. The problem is, Rau’s most ardent desire is to get lessons in sex. From Ivan. Kids these days sure grow up fast…

Ren was in love with Maki's brother and ended up in a relationship with Maki to use him as a substitute.