Ane Tomo ni Ore no ××× wo Nerawarete Iru!!

A young man finds himself the target of his older sister's friend, who has developed an intense and inappropriate obsession with him. The situation escalates as she relentlessly pursues him, crossing boundaries and putting him in increasingly compromising positions. Unable to escape her advances, he must navigate a tense and awkward dynamic that threatens to upend his daily life.

As her fixation grows more aggressive, he struggles to maintain his composure while dealing with the unwanted attention. The story explores the uncomfortable consequences of unchecked desire and the lengths one person will go to satisfy their cravings.