When concerned friends visit their bandmate, they’re invited in for some tea… with just a splash of the undead.

Shinsuke Kujo is a chair craftsman who lures people into his apartment and murders them to use the body parts for constructing a chair. Kato, a representative of a chair company, finds his website on social media and suggests a meeting. She's quickly enamored with him both professionally and personally, unaware of his true nature as a serial killer.

In the house where a father and daughter live together, a heavy silence lingers, and an unbridgeable distance remains. The father toils at an inexplicable task, while the daughter goes through her days in a quiet routine. But soon, a strange change overtakes his body.

Kiichiro, 74, and his 62-year-old wife Akane live quietly and poorly in their old age in downtown Tokyo. Having lost all their savings to medical expenses, and facing social scorn and hardship, the couple decide to take up a hunting rifle inherited from their late father and attack the home of a wealthy family, but their plan takes an unexpected turn for the worse.

A rock ‘n’ roll band drop in unannounced on a friend and find themselves plummeting into a wackadoo reverie of monsters and mayhem.