
S01E01 The Special Circumstances of My Bathtub
High school student Tatsumi lives alone. One day he spots a person while walking by a river. He approaches the figure and discovers a beautiful man collapsed on the ground.
A witch, a vampire, and a mummy... From the darkness, Wakasa, Takasu, and Mikuni appear.When Tatsumi sees Wakasa dressed as a witch, he wonders why. When Mikuni declares, "Trick or Treat," he realizes it's Halloween, but he tells the trio he has no candy. The watchful trio pounces on Tatsumi with a tickle attack! What will happen to Tatsumi? Will Wakasa and his friends acquire any candy?
Tatsumi is a high school student who lives on his own, until a merman named Wakasa takes up residence in his bathtub. His solitary lifestyle is turned upside down by the self-centered (but handsome) new roommate.