Hayashi is a Japanese support studio. As is normally the case of these studios, nothing is known about them outside of their credits. More of which can be found on Anime News Network.
Credits include:
- Ai Yori Aoshi ~Enishi~ (In-Between Animation; Digital Coloring)
- Aikatsu! (Finish & In-Between Animation)
- Akane-iro ni Somaru Saka (In-Between Animation)
- AKB0048 (2nd Key Animation)
- Akikan! (Key, Finish & In-Between Animation)
- Anohana The Flower We Saw That Day (In-Between Animation; Paint)
- Antique Bakery (In-Between Animation; Digital Paint)
- Baccano! (Finish & In-Between Animation)
- Baka and Test: Summon the Beasts (Finish & In-Between Animation)
- Bakemonogatari (Finish & In-Between Animation)
- Bakugan (2nd Key Animation, Gundalian Invaders)
- Ben-To (2nd Key, Finish & In-Between Animation; Photography Assistance)
- The Big O (Finish & In-Between Animation)
- Bleach (2nd Key & Finish Animation; Animation)
- Blood-C (Finish & In-Between Animation)
- Blue Exorcist (In-Between Animation; Paint)
- Bodacious Space Pirates (Finish & In-Between Animation)
- Book of Bantorra (Finish & In-Between Animation)
- Broken Blade (Finish & In-Between Animation)
- Cardfight!! Vanguard (2nd Key & In-Between Animation; Paint)
- Case Closed (In-Between Animation)
- A Certain Magical Index (In-Between Animation)
- Chousoku Henkei Gyrozetter (CGI; 2nd Key & In-Between Animation)
- Code Geass (In-Between Animation; Digital Paint)
- Cube×Cursed×Curious (Finish & In-Between Animation)
- Dance in the Vampire Bund (Finish & In-Between Animation)
- Darker than Black (In-Between Animation)
- Date A Live (2nd Key Animation)
- Death Note (Key, In-Between & Clean-Up Animation)
- Divergence Eve (Finish & In-Between Animation)
- Durarara!! (Finish & In-Between Animation)
- Eden of the East (In-Between Animation)
- Eureka Seven (In-Between Animation; Digital Paint)
- Eureka Seven AO (2nd Key & In-Between Animation)
- Eyeshield 21 (Animation; Finish Animation, series)
- Fullmetal Alchemist: Brotherhood (2nd Key Animation)
- Ga-Rei -Zero- (Finish & In-Between Animation)
- Ginban Kaleidoscope (In-Between Animation)
- Grenadier (In-Between Animation)
- Guilty Crown (Finish & In-Between Animation; Photography Cooperation)
- Haganai (Finish Animation Cooperation; In-Between Animation Cooperation; Key Animation Cooperation)
- Haganai NEXT (Finish Animation Assistance; In-Between Animation Assistance)
- Happy Lesson Advanced (In-Between Animation; Digital Paint)
- Haruka Nogizaka's Secret: Purezza (2nd Key Animation)
- Hayate the Combat Butler!! (Key Animation)
- Heaven's Lost Property (In-Between Animation)
- Hell Girl: Three Vessels (2nd Key & In-Between Animation; Paint)
- Heroman (Finish & In-Between Animation)
- Honey and Clover (Animation)
- The Idolmaster (In-Between Animation; Paint)
- Idolmaster: Xenoglossia (Digital Paint)
- Inazuma Eleven GO (Finish & In-Between Animation)
- Inukami! (2nd Key & In-Between Animation; Digital Finishing; Photography Assistance)
- Jewelpet (In-Between Animation; Digital Paint, Happiness & Sunshine)
- JoJo's Bizarre Adventure (2nd Key Animation)
- Jormungand (2nd Key Animation)
- Kamichu! (In-Between Animation; Digital Paint)
- Kanamemo (Finish & In-Between Animation)
- Kannagi: Crazy Shrine Maidens (In-Between Animation; Paint)
- Kanon (In-Between Animation; Digital Paint, 2002 series)
- Kotetsushin Jeeg (2nd Key, Finish & In-Between Animation)
- Last Exile: Fam, the Silver Wing (2nd Key, Finish & In-Between Animation)
- Little Busters! (Finish & In-Between Animation)
- Lupin III
- Lupin III Sweet Lost Night (In-Between Animation; Digital Paint)
- Lupin III: The Woman Called Fujiko Mine (Finish & In-Between Animation)
- Macross Frontier (Finish & In-Between Animation)
- Magi: Labyrinth of Magic (2nd Key & In-Between Animation; Paint)
- Maria†Holic Alive (Finish & In-Between Animation)
- Mass Effect: Paragon Lost (2nd Key & In-Between Animation; Paint)
- Mobile Suit Gundam SEED (In-Between Animation)
- Mobile Suit Gundam SEED Destiny (In-Between Animation)
- ∀ Gundam: Moonlight Butterfly (In-Between Animation)
- Monsuno (In-Between Animation)
- Motto To Love Ru (Finish & In-Between Animation)
- Mouse (Final Line; Paint)
- Muv-Luv Alternative: Total Eclipse (2nd Key, Finish & In-Between Animation)
- My Little Monster (Finish & In-Between Animation; Photography Assistance)
- Nana (Key Animation; Paint)
- Natsuyuki Rendezvous (Finish Animation)
- Negima
- Negima!? (second season) (Clean-Up Animation)
- Negima! Magister Negi Magi: Ala Alba (Finishing Paint; In-Between Animation)
- Noein (In-Between Animation; Digital Paint)
- Nurse Witch Komugi (In-Between Animation; Digital Paint)
- Occult Academy (In-Between Animation; Paint)
- One Piece (Production Cooperation, movies 2-4)
- Overman King Gainer (In-Between Animation; Digital Paint)
- PandoraHearts (In-Between Animation)
- Persona 4: The Animation (Finish & In-Between Animation)
- Planetes (In-Between Animation; Digital Paint; Composite Assistance)
- Pokémon: Zoroark: Master of Illusions (2nd Key Animation; In-Between Animation Assistance)
- The Prince of Tennis (Digital Paint)
- Problem Children are Coming from Another World, aren't they? (2nd Key & In-Between Animation; Digital Paint)
- Psycho-Pass (2nd Key, Finish & In-Between Animation)
- Puella Magi Madoka Magica (Finish & In-Between Animation)
- Queen's Blade: The Exiled Virgin (Finish & In-Between Animation)
- Real Drive (2nd Key Animation)
- Rebuild of Evangelion (Line Test, You Are (Not) Alone)
- Red Garden (In-Between & Clean-Up Animation)
- Robotics;Notes (Finish & In-Between Animation)
- Saki (Finish & In-Between Animation)
- Sayonara, Zetsubou-Sensei (In-Between & Clean-Up Animation)
- School Rumble (In-Between Animation; Digital Paint, Second Semester & Extra Class)
- Senran Kagura (In-Between Animation; Digital Paint)
- Shakugan no Shana (Key & In-Between Animation; Paint)
- Sket Dance (2nd Key, Finish & In-Between Animation)
- Sketchbook ~full color'S~ (In-Between Animation; Digital Paint)
- Sola (Finish Animation)
- Space Battleship Yamato 2199 (Photography Assistance)
- Super Robot Wars: Original Generation: The Inspector (Finish & In-Between Animation)
- Tantei Opera Milky Holmes Dai-Ni-Maku (2nd Key, Finish & In-Between Animation)
- Tegami Bachi: Letter Bee (Finish & In-Between Animation)
- Tetsujin 28th (In-Between Animation; Digital Paint)
- Tiger & Bunny (CGI; Finish & In-Between Animation; Line Test)
- Tokkô (2nd Key & In-Between Animation; Color Coordination)
- Transformers: Armada (In-Between & Finish Animation; Animation Editing)
- Transformers: Energon (Key & In-Between Animation; Digital Paint)
- Transformers: Cybertron (In-Between Animation; Digital Paint)
- tsuritama (2nd Key Animation)
- Ultra Maniac (Finish & In-Between Animation)
- Uta∽Kata (Line Test)
- Wagnaria!! (2nd Key Animation)
- White Album (2nd Key & In-Between Animation; Digital Paint; Photography Assistance)
- Wolf's Rain (Finish & In-Between Animation)
- Zoids Fuzors (In-Between Animation; Digital Paint)