Lack

Overview
lack is an Illustrator. He is affiliated with Hololive Production as the Illustrator of Shiranui Flare of Hololive Fantasy, and Arurandeisu of Holostars 1st Generation.

Character Designs
Hololive Production VTubers:
 * Shiranui Flare
 * Arurandeisu

Non-Hololive Production VTubers:
 * Makaino Ririmu of Nijisanji
 * Ushio Tia of Re:AcT

Other Notable Characters:
 * Okada Izo from Fate/Grand Order

Other Notable Works

 * Character Design and Illustration for Maglam Lord

Trivia

 * lack is quite an avid gamer and is a fan of games such as the Souls series of From Software. Additionally he's also a big FGO player, which is very visible in his tweets
 * lack does a fair amount of streaming content of his own, primarily art related contents. He also occasionally streams game playthrough once in a while however.
 * lack is very supportive of his "kids" (VTubers he designed). He tweets very often about them and always gets excited for them. Most notably he can be seen in almost every Flare stream, frequently commenting in her chat. He's also the illustrator for the new background that was revealed along with Flare's 2nd costume.