Darashinai Onee-san wo Kaitai
だらしないお姉さんを飼いたい
A high school girl is assigned to take care of a mysterious older woman who lives alone. The woman is quiet and keeps to herself, and little is known about her past or true identity. As the girl interacts with her, she begins to notice strange and unusual things about the woman's behavior and living conditions. The story explores their growing relationship and the secrets that slowly come to light.