Author Hotaru Yuyami is tormented by a strong sense of remorse after losing his beloved dog Hanako. One day in his yard, he discovers a peculiar pink mushroom that transforms into a dog, and decides to adopt it.
EPISODE 1
Kinokoinu Is Born
Storybook author Hotaru is depressed and unable to focus on work after losing his beloved dog, Hanako; a strange creature shows up in his yard that looks like a mushroom, but also a dog; Komako, his childhood friend, is baffled by the situation.
EPISODE 2
Kinokoinu and Hanako
Itsuki is a superfan of Hotaru and falls in love with him at first sight; Hotaru is tricked by Komako to accept an interview and photoshoot for a dog magazine; Hotaru is struck with an intense realisation after taking Kinokoinu on a walk.
EPISODE 3
Where Are You Going, Oh, Kinokoinu?
Hotaru gets frustrated at Kinokoinu for disrupting his work; Kinokoinu gets upset and runs away after Hotaru compares it to Hanako.
EPISODE 4
Kinokoinu, It's Time to Party
Hotaru catches Kinokoinu releasing spores in the morning; Komako hosts a Halloween takoyaki party for Kinokoinu.
EPISODE 5
Kinokoinu and Hiragana
Hotaru leaves Kinokoinu at home with Itsuki for a night to attend an author signing event with Komako.
EPISODE 6
Kinokoinu and the Visitor
Anzu bumps into Hotaru at the bookstore and ends up coming over to visit Kinokoinu; Anzu kidnaps Kinokoinu so it can meet Plum.
Daiki Kobayashi
Yuto Uemura
Anna Nagase
Takuma Terashima
Misaki Kuno
Hinano
Sayaka Senbongi
Kagetoshi Asano
Jin Tanaka
