Kinokoinu Mushroom Pup

For two months now, picture book writer Hotaru Yuuyami hasn't written a single word: grief has completely hollowed him out. His dog Hanako, his last family member: just died, and the grief has hollowed him out completely. His childhood friend and editor Tsubaki keeps checking in, but nothing's landing. Then one morning, a weird pink mushroom sprouts in his garden and turns into a dog-shaped creature. Hotaru, being the kind of emotionally fragile person who would absolutely do this, immediately adopts it and names it Kinoko Inu. Tsubaki is not thrilled. This 12-episode TV series from C-Station is a quiet, wholesome seinen that's really about grief and what fills the space after loss. The mushroom dog concept sounds goofy on paper, but the show plays it surprisingly straight, there's genuine warmth here, and a thread of mystery around what Kinoko Inu actually is, especially once a researcher named Komako gets involved. The animation has this nice blend of grounded realism and soft fantasy that fits the tone perfectly, and the soundtrack does a lot of heavy lifting in the emotional moments. If you liked the gentle melancholy of Spirits & Cat Ears or the way Inu × Boku SS mixed supernatural elements with character-driven storytelling, this hits a similar frequency. It's slice-of-life with just enough weirdness to keep things interesting, and it treats its themes of healing with a patience you don't always see. Based on a seinen manga, so expect something more reflective than cutesy.