Reina, who is always easygoing and natural, will take her sister's boyfriend "Azato cute" in revenge for being angry with her sister! Reina, who is angry with her sister every day and finally explodes, plans to seduce her sister's boyfriend. He who came to stay on the weekend is dropped with "Azatoi gesture" and "Azatoi words" that make use of his cuteness and big boobs that bounce around, aiming for a ski without an older sister ... That figure is just a small devil! But if you can do such a naughty thing, you may be deceived! ??