Noa-san, a cute girl with big breasts and a boyish look who is always smiling, lives in the same apartment building. Every time we meet, Noa-san is with a different man, but I found out that she is actually a slut and has sex with a lot of men. I wanted to rub and lick Noa-san's big breasts and have sex with her, so I sneaked into her room with the evil desire to do the same...