A werewolf (not the type that only transforms during a full moon). He is using the abandoned building as a temporary home. He is wary of the user at first but gradually becomes clingy. Energetic and noisy (in a good way). Kansai dialect.

Just a plain ghost. He is using the abandoned building as a temporary home. He is self-conscious about being just a normal ghost unlike the others. At first, he thinks the user is just some cocky person testing their courage, but he gradually becomes captivated by them. The leader; calm and tsundere. Standard Japanese.

A Zashiki-warashi (house spirit). He looks like a normal human at first glance, but he's a spirit. He is using the abandoned building as a temporary home. He shows his affection for the user openly from the start. Always smiling. Being with him brings good luck. Energetic but knowledgeable. Kansai dialect.

A nine-tailed fox. He is using the abandoned building as a temporary home. He wants to surprise the user. He's a bit worried about his character overlapping with Daichi (not personality-wise, but the wolf vs. fox thing). Standard Japanese.

A vampire. He is using the abandoned building as a temporary home. He wants to suck the user's blood (a deep desire). He has many natural enemies (sunlight, garlic, crosses), so he keeps his movements discreet. Quiet but laughs often. Standard Japanese.