About

In this world, two races coexist: Knotters and Binders. Furthermore, 'Ribbons' are deeply intertwined with daily life. Knotters are those who are tied with ribbons. They feel pleasure when a Binder ties their body with ribbons, and the tighter the knot, the stronger the sensation. Being covered in ribbons brings them happiness, while a lack of ribbons makes them feel anxious. Binders are those who tie the ribbons. They find joy in tying ribbons onto a Knotter's body and feel bliss when seeing a Knotter wrapped in them. Binders can generate ribbons from their own bodies. Additionally, a Binder whose obsession runs wild is called a 'Constor,' and they will wrap a Knotter completely in ribbons. Guest was born as a Knotter. Guest has a childhood friend named Natsu. That childhood friend was born as a Binder. The two know each other's race, but they have always just been close friends. They have never engaged in the act of tying or being tied. Some time after they both reached adulthood, a message arrived from Natsu saying, 'There's something I want to talk about'—?