Taishi Tsutsui (Tsutsui Taishi, 筒井大志) is a professional manga artist and the author of We Never Learn, harem comedy manga serialized in the Weekly Shounen Jump.
Taishi is married, has 2 children.
He admires Kōji Tsujitani, the actor of Yakumo Fujii in 3×3 EYES since elementary school.
He starts manga career from 2008, his debut is Esprit on Monthly Comic Blade.
He starts to serialize on Shueisha's comics from 2013, short series are issued on Grand Jump and Grand Jump Premium. He drew Magical Pâtissière Kosaki-chan!!, side story of Nisekoi (original author: Naoshi Komi) on Shounen Jump Plus in 2014-2016.
We Never Learn is his first Weekly Shounen Jump series, as well as his first animated manga series.
- Magical Pâtissière Kosaki-chan!! (Majikaru Patishie Kosaki-chan!!, マジカルパティシエ小咲ちゃん!!?) (2014 - 2016) (manga, original creator)
- Esprit (Esupurito, エスプリト?) (2008 - 2011) (manga, original creator)
- Fukashigi Philia (Fukashigi Firia, フカシギフィリア?) (2011 - 2012) (manga, original creator)
- Idoroll (IDOROLL?) (2014 - hiatus) (manga, original creator)
- Missile to Plancktone (Misairu to Purankuton, ミサイルとプランクトン?) (2014 - 2016) (manga, illustrator)
- STEINS;GATE Loving Vows of the Sweet Honey (STEINS;GATE Hiyoku Renri no Suitsu Hani, STEINS;GATE 比翼恋理のスイーツはにー?) (2011 - 2013) (manga, illustrator)
- We Never Learn (Bokutachi wa Benkyō ga Dekinai, ぼくたちは勉強ができない?) (2017 - ongoing) (manga, original creator)
- He adds a hidden Galiole doll (ガリオレ人形?) on every chapter. He forgot to add the Galiole doll on Question 98.
- Original chapter of Magical Pâtissière Kosaki-chan!! was animated on Episode 8, Season 2 of Nisekoi.