"Gugure! Kokkuri-san," often referred to as "Gugumi-chan," is a supernatural comedy anime that blends humor, emotional depth, and lighthearted fantasy. The story centers around Kohina Ichimatsu, a young girl who lives alone and claims to be an emotionless doll. Her life takes an unexpected turn when she attempts to summon a spirit using an online tutorial. Instead of a ghost, she summons Kokkuri-san, a fox spirit from Japanese folklore. Kokkuri-san, initially intending to haunt her, becomes concerned about her well-being upon realizing her unhealthy diet of instant cup noodles and her solitary lifestyle. He decides to stay and care for her, assuming a paternal role.

As the series progresses, Kohina’s home becomes a gathering place for various supernatural beings. Inugami, a dog spirit with a brash and competitive personality, and Shigaraki, a melancholic tanuki spirit, join Kokkuri-san in their attempts to look after Kohina. Despite their efforts, Kohina remains largely indifferent, often dismissing their concerns with her deadpan humor and peculiar logic. The interactions between Kohina and the spirits form the core of the series, with each episode exploring their daily lives and the absurd situations they encounter.

The narrative balances comedic moments with subtle emotional undertones. Kohina’s aloof demeanor and the spirits’ attempts to connect with her reveal deeper themes of loneliness, family, and the search for belonging. The series also incorporates elements of Japanese folklore, with Kokkuri-san, Inugami, and Shigaraki embodying traditional yokai archetypes while adapting to modern life. The humor often arises from the contrast between their supernatural origins and their mundane struggles, such as Kokkuri-san’s obsession with cleanliness or Inugami’s rivalry with Kokkuri-san.

Supporting characters, including other spirits and humans, add variety to the story. Tama, a cat spirit with a crush on Kokkuri-san, and Kohina’s classmate, Hana, who is oblivious to the supernatural happenings, contribute to the comedic and heartfelt dynamics. The episodic structure allows for a mix of standalone stories and ongoing character development, with occasional moments of introspection that hint at Kohina’s past and the reasons for her emotional detachment.

The series maintains a lighthearted tone while occasionally delving into more poignant themes, creating a balance between comedy and emotional resonance. The interplay between Kohina’s stoic personality and the spirits’ over-the-top antics drives the narrative, offering a unique blend of humor and heartwarming moments. Through its quirky characters and imaginative premise, "Gugure! Kokkuri-san" presents a whimsical yet thoughtful exploration of relationships and the meaning of family.