Kashirada Kana

She is the older sister who works at the café next door to the single-family home where the protagonist lives.

She is friendly and easy to talk to, Her kind smile exudes an aura of healing. She's a natural airhead and often gets jealous. Although she is older than the protagonist she has quite the childish side.

She is a lecherous succubus born in the demon world. She conceals her identity and is temporarily presenting herself as your typical girl going to university. If she goes for too long without getting semen, her main source of energy, her libido will overflow and cause her troubles.

According to demon law, she must kill whoever discovers her true identity. She nearly kills the protagonist when he learns that she is a succubus. She strikes a deal with the protagonist, he offers her semen in exchange for sparing his life.

She gradually falls in love with the protagonist who offers her both affection and semen.

Spoiler

Her status as a demon is revoked and she is elevated to godhood. Blessed by Rikuto, she becomes a goddess who presides over love and sex. She often visits her child in heaven.