No, no, no, no. Until the beautiful girl from the neighborhood (Kawana Ai) who was so cute, started serving me

After I got my job and moved to Tokyo, one day I noticed a cute high school girl coming and going in the next room. The man who lives there said he has no relatives or friends... Knowing that it was bad, she peers over, and a high school girl enters sex with an old man! She straddles the man and plays her nipples and swings her hips in a cowgirl position! I'm so jealous! But unfortunately her luck finds out, she's in a dangerous, desperate situation!?