My Perverted Little Brother is Open Minded in the Summer

Ane Log: Moyako Neesan no Honpen wo Tobidashite Tomaranai Monologue · Episode 3 · “My Perverted Little Brother is Open Minded in the Summer”

When Konoe Moyako and her little brother, Akira, were young, he said he wanted to marry her. Naturally, Moyako decided that her little brother was a complete pervert who was obsessed with her. Now that they're both teenagers, Moyako is convinced she needs to 'rehabilitate' him. However, it seems...