Right from the start, Walnut-chan is constantly responding to Riku-kun's egocentric aura. Riku-kun catches her desire to be bullied and plays lots of naughty tricks on her, and it looks like he's having a lot of fun. After teasing her a lot, she slowly sinks into endless pleasure...Riku-kun says his purpose in life is to see the happy faces of girls like that, and he wants to record it, so this is a great sex scene◆