Studio PuYUKAI

Spring 2019
TV Short
"Isekai Quartet" is a petit anime crossover project airing in Spring 2019. It will feature such works as Overlord, KonoSuba, Re:Zero, and Youjo Senki.

(Source: Official Announcement)
Comedy
Summer 2018
ONA 64%
Super deformed parody shorts of Overlord III streamed on Kadokawa's official YouTube channel.
Comedy, Fantasy
Winter 2018
TV Short 54%
Season of Kaijuu Girls: Ultra Kaijuu Gijinka Keikaku, a show that transforms kaijuu (monsters) from the Ultraman live-action special-effects series into cute, female anthropomorphised monsters.
Comedy, Fantasy
Winter 2018
ONA 65%
Super deformed parody shorts of Overlord II streamed on Kadokawa's official YouTube channel.

(Source: MAL)
Action, Comedy, Fantasy
Winter 2017
ONA 61%
Chibi parody of Youjo Senki.
Comedy
Summer 2016
OVA 65%
Bundled with novel series' 11th volume. The new anime will feature the appearance of the Pleiades combat maids, as well as the rest of the Floor Guardians.

(Source: ANN)
Action, Comedy, Fantasy
Fall 2016
ONA 54%
The Ultra Kaijuu Gijinka Keikaku project transforms kaijuu (monsters) from the Ultraman live-action special-effects series into cute, female anthropomorphised monsters.

(Source: ANN)
Comedy, Fantasy
Summer 2016
Special 64%
A collection of comedic shorts featuring characters from Re:Zero kara Hajimeru Isekai Seikatsu. A continuation of Re:Zero kara Hajimeru Break Time. (Source: MAL)
Adventure, Comedy, Fantasy
Summer 2015
Special 66%
Overlord specials featuring super-deformed characters, bundled with the Blu-ray and DVD volumes of Overlord.
Began airing after episode 5 of Overlord - each episode is available on the official site for a short period afterwards.
Action, Comedy, Fantasy
Spring 2011
OVA 45%
Based on a parody four-frame manga related to the classic video game "Spelunker" (1983).
Comedy
Fall 2010
ONA
Set in the eastern Japanese prefecture of Ibaraki, Agukaru centers around Sanae Baraki, a farmer’s daughter who can see spirits. Every day she works on her field together with such spirits to produce the best agricultural goods. However, there is a group that aims for that field. With the blessing of the earth, she transforms into Agriculture Angel Baraki.
Slice of Life, Supernatural