My favorite fiancee's brother was Hikari Azusa, a sticky stalker who used to commit me a long time ago. - Azusa Hikari

Azusa Hikari is a sticky stalker who is the brother of his favorite fiancee's brother-in-law-to-be. He continues to assault and harass the protagonist. This movie features a cheating girlfriend and a stalker who takes advantage of his position as a family member. The central kink is the non-consensual and coercive nature of their interactions.