I'm a virgin who came to Tokyo from the countryside during summer vacation... I couldn't keep my sanity due to my brother's girlfriend's adult sex appeal and unconscious temptation, so I had sex with her for three days while my brother was away on a business trip. The roles are reversed! Runaway hard piston & seed press! 8 ejaculations! Nishimiya Yume - Yume Nishimiya

The movie depicts a scenario where the protagonist, a young man from the countryside, has a sexual encounter with his brother's girlfriend while his brother is away on a business trip. The story explores the forbidden relationship between the two main characters, highlighting the central dramatic tension of their secret tryst. As they navigate their desires and boundaries, the movie builds towards a climax of intense passion and intimacy.