The top student's childhood friend hates losing! So she's going to try her best to do lewd things! Wakui Mito KTRA-576

The reliable Mito has a childhood friend he grew up with like a sibling. His parents asked him to look after her, and since he's leaving today, he decides to spend the day doing chores at his childhood friend's house. Mito obeys her pampered boyfriend's orders, taking care of everything, but his demands gradually escalate…! Before she knows it, things are getting increasingly erotic…!?