Artist, digital colorist for visual novels and illustrations.

Has worked in VN studio Witch between 1999 and 2005 as CG chief and CG supervision, in VN studio Miris Pellet as CG chief (Tutorial Summer, 2005) and between 2005 and 2018 in VN studio AXL as CG chief, all under pseudonym "tetu". He's friends with Senomoto Hisashi (character designer, artist, founder of AXL). Worked on some graphics (backgrounds and effects) in Sorcery Jokers VN (2015, available in English). Worked on Gensou Rougoku no Kaleidoscope (2020) backgrounds and chibi (SD) characters coloring.

His illustrations were featured in the artbook 100 Masters of Bishoujo Paintings generation 2 (絵師100人 generation2, 2013). Were also displayed in pixiv × FIREFLY Illustration Exhibition in Guangzhou, China in 2015.

He's been doing coloring for Senomoto Hisashi's doujinshi covers (Million Bank) and some monochrome drawings on the last pages. Also drawn covers for Angel's Stroke issue 18 and 28. Has never made any doujinshi or manga.

Has done character designs for Isabella in Hortensia Saga mobile game (from f4samurai), Miharu Katagiri in Shooting Girl browser game (from DMM) and for 5 playable girls in Monster Hunter Mezeporta Reclamation browser game (from DMM).

Accepts some commissions when the type of work and pay is appropriate. He himself wrote that he also does sketches which don't get posted anywhere. He doesn't post on Twitter as far as we know.

Over the years he deleted or set to private many works on his Pixiv account, but thanks to uploaders they are available on gelbooru, danbooru and other websites.