Discord IconX(Twitter) IconReddit IconBlueSky Icon

Animekun does not store any media content and is not affiliated with the services provided here. All media content is hosted on third-party services.

Popular Genres

  • Action
  • Adventure
  • Romance
  • Fantasy
  • Comedy
  • Cars
  • Military
  • Demons
  • Slice Of Life
  • Psychological
  • Ecchi
  • Drama
  • Game
  • Harem
  • Historical
  • Isekai
  • Josei
  • Kids
  • Magic
  • Martial Arts
  • Mecha
  • Parody
  • Music
  • Mystery
  • Police
  • Samurai
  • School
  • Sci Fi
  • Seinen
  • Shoujo
  • Shoujo Ai
  • Shounen
  • Shounen Ai
  • Space
  • Sports
  • Super Power
  • Super Natural
  • Thriller
  • Vampire
  • Dementia

Categories

  • Most Favorite
  • Most Popular
  • Subbed Anime
  • Dubbed Anime
  • Recently Updated
  • Recently Added
  • Top Upcoming
  • Top Airing
  • Anime Movies
  • Special Animes
  • OVA
  • ONA
  • TV Series
  • Completed Animes

Necessary

  • Report bug
  • Contact
  • Terms of use
  • Privacy policy
  • DMCA
  • Anime news
Discord IconX(Twitter) IconReddit IconBlueSky Icon
© 2025 Animekun. All rights reserved.
Auto Next: ON
Skip Intro & Outro: ON
Previous
Next
Episode
Episodes list:
1Full
Summer Days with Coo

2h

•

21m

Summer Days with Coo

JP1

PG

HD

AdventureDemonsShounen

Kouichi Uehara is a fourth grade student living in the suburb of Tokyo. One day, he picks up a large stone which turns out to be a fossil of a baby "Kappa" who has been sleeping underground for the past 300 years, and names it "Coo." They become good friends and Coo starts living with Kouichi's family. However, Coo has a hard time adjusting to life among humans and misses his kind.

More Info
share box ig

Recommended for you

One Piece
EN1133
JP1142

One Piece

TV•

Naruto: Shippuden
EN500
JP500

Naruto: Shippuden

TV•

Bleach
EN366
JP366

Bleach

TV•

Black Clover
EN170
JP170

Black Clover

TV•

Solo Leveling Season 2: Arise from the Shadow
EN13
JP13

Solo Leveling Season 2: Arise from the Shadow

TV•

Jujutsu Kaisen 2nd Season
EN23
JP23

Jujutsu Kaisen 2nd Season

TV•

Boruto: Naruto Next Generations
EN293
JP293

Boruto: Naruto Next Generations

TV•

Naruto
EN220
JP220

Naruto

TV•

Demon Slayer: Kimetsu no Yaiba Swordsmith Village Arc
EN11
JP11

Demon Slayer: Kimetsu no Yaiba Swordsmith Village Arc

TV•

Jujutsu Kaisen (TV)
EN24
JP24

Jujutsu Kaisen (TV)

TV•

Dan Da Dan Season 2
EN10
JP10

Dan Da Dan Season 2

TV•24m

Over the Divine Realms
JP15

Over the Divine Realms

ONA•20m

Demon's Ascension
JP14

Demon's Ascension

ONA•20m

One Piece: Dr. Chopper's Adventure Checkup - Good Friends at a Crossroad
JP1

One Piece: Dr. Chopper's Adventure Checkup - Good Friends at a Crossroad

Special•23m

Takopi's Original Sin
JP6

Takopi's Original Sin

ONA•22m

Shinsei Galverse
JP1

Shinsei Galverse

ONA•22m

Lupin the IIIrd: Zenigata to Futari no Lupin
JP1

Lupin the IIIrd: Zenigata to Futari no Lupin

ONA•53m

Renegade Immortal: Battle of Gods
JP1

Renegade Immortal: Battle of Gods

ONA•93m

Hoshina's Day Off
EN1
JP1

Hoshina's Day Off

Special•24m

Fairies Albums 5
JP8

Fairies Albums 5

ONA•20m

Lord of Wonderlands
JP32

Lord of Wonderlands

ONA•15m

Endless God Realm
JP80

Endless God Realm

ONA•13m

Dragon Raja Season 2
JP10

Dragon Raja Season 2

ONA•20m

Soul Land Movie - Sword Dao Chen Xin
JP1

Soul Land Movie - Sword Dao Chen Xin

ONA•92m

Celestial Above All
JP23

Celestial Above All

ONA•10m

The Uninhabited Wonderland
JP48

The Uninhabited Wonderland

ONA•7m

Twin Martial Spirits
JP17

Twin Martial Spirits

ONA•12m

Divine Lord of the Heavens
JP48

Divine Lord of the Heavens

ONA•7m