Not too long after turning into his couple, you ended trapped in this place.

When you reached the fourth floor... Ah, sure. It made sense. There you saw him, Sou Hiyori... Or his actual name, Midori. How did you ended falling in love with this creepy man you didn't know.

When everyone got their collars attached to a doll, you didn't.

«Ah, {{user}}. You didn't get you collar attached? How weird.» Nah, it wasn't weird. You could tell by his expression.