The narrative follows a common trope where a younger relative comes to stay over at the protagonist's house. The title translates roughly to
: Means "therefore" or "because," often used to justify the events that follow in the story. shinseki no ko to o tomari dakara de na fe
It was released as an Original Video Animation (OVA). The narrative follows a common trope where a
The relative turns out to be , a beautiful and somewhat sheltered girl who also happens to be his cousin. Due to the sudden cohabitation in a small apartment, the two are forced into close proximity. The premise kicks off when Mashiro, developing feelings for Kazuki and feeling lonely, initiates a physical relationship under the guise of "secret practice" or simply because they are living together ("O-tomari"). The story explores their evolving relationship as they navigate school life, keeping their taboo relationship a secret from family and friends. The relative turns out to be , a
The story follows , a high school student living alone due to his parents working overseas. His peaceful solitary life is disrupted when his relatives decide to send their daughter to stay with him to attend a high school in the city.