Amatsuka Moe becomes a "song sister"! But she doesn't just sing, she also enjoys her favorite sex with little friends and big friends alike! She has fun having sex with the mascot who is thinking of retiring, the show's producer, and of course the little friends who help out with the show! So she's not just a song sister... she's a sex sister...? A world like this doesn't exist, but if it did, it would be the best sex education TV show ever! A masterpiece by Amatsuka Moe that can take on any worldview is born!