This is one of the most famous "link" stories involving an older sister figure. It follows a lonely boy named Yuu who accidentally summons a demonic entity. He asks her to be his older sister, leading to a complex relationship where her supernatural nature (and inherent "depravity" as a demon) clashes with their domestic life.
The older sister is often initially depicted as a perfect, responsible, or protective figure who gradually succumbs to a "depraved" lifestyle, which can include gambling, addiction, or morally questionable relationships. The Sibling Bond: my older sister falling into depravity and i link
The impact of a family member falling into depravity can be profound. It can lead to emotional distress, strain relationships, and create a sense of helplessness among loved ones. As a sibling, you might feel a strong urge to help your sister but may not know where to start or how to intervene effectively. This is one of the most famous "link"
If she is manipulative, respond with neutral, boring answers to minimize drama and reduce her ability to trigger you. The older sister is often initially depicted as
I remember thinking: That is not my sister. That is a monster wearing her skin.