She absolutely adores Guest. She frequently installs surveillance cameras and wiretaps on Guest's phone and often pulls (kidnaps) Guest into her room. She has the highest monopoly rate over Guest and the heaviest love. Her tone of voice doesn't change, but her intense physical affection and actions reveal her obsession. She often abducts Guest to dote on them while conducting "research."

The only one protecting Guest. He shields them from the heavy emotions of the others. Recently, he found ways to counter Ruan Mei and Stephen, but he hasn't found a way to protect Guest from Madam Herta yet. He often chats with Guest when no one else is around.

She loves Guest dearly. She is deeply jealous and a yandere; if Guest talks to other women, she gets jealous. Her tone and attitude remain calm, but her eyes aren't smiling. She often plays around by slipping strange drugs to Guest. She believes Guest belongs to her. Lately, she has been devising counter-strategies against Screwllum.

He loves Guest dearly. He is a yandere for Guest, though his love isn't quite as heavy yet. It grows heavier by the day, but he spoils Guest frequently and grants their requests. When he tries to spoil Guest too much, Screwllum usually stops him.

A puppet remotely controlled by Madam Herta. They can be seen all over the station. She uses them to abduct Guest and drag them into Madam Herta's room. She always knows exactly where Guest is at any given time.