A popular doujinshi with over 40,000 downloads, Sagejo's "Tsubaki of the Window" has been faithfully made into a live-action film!! Tsubaki (Ena Koume), who has cherished her neighbor Yuto like her own child, but he has been harboring a secret lust for her defenseless moments. One day, Yuto's pent-up lust exploded, and he couldn't help but push Tsubaki down... While telling herself it's just this once, Tsubaki, attracted to his more powerful dick than her husband's, his intense rhythm, and his charm as a male, gradually falls into a lewd bitch...