My Best Friend's Sister, Who Is Big Even Though She Is Younger Than Me, Looks Down At Me And Deliberately Shows Me Her Pants! I Can't Stop Shiko Shiko Shiko If She Shows Me That...! Sakika Shirakami (2026)

The movie revolves around the narrator's obsession with his best friend's younger sister, Sakika Shirakami, who teases him by showing off her underwear. As the story progresses, the narrator and Sakika engage in explicit activities, exploring each other's desires while trying to keep their actions hidden from her brother. The central dramatic tension lies in the forbidden nature of their relationship and the risks of being discovered.