Because in the end, the best Inma Keiyaku isn't a contract at all. It's a choice. Made freely. Every single day.

Succubi have been a part of mythology and folklore across various cultures, often symbolizing the seductive and mysterious aspects of human desire. In fiction, succubi are frequently portrayed as characters with supernatural abilities, often used to explore themes of love, lust, and power dynamics.

She understands physical mechanics but is baffled by jealousy, longing, and domestic bliss.