While Monster Musume manga author Takemaru "Okayado" Inui does maintain a presence on Twitter, he's not a creator that shares that many sketches. Maybe just a few a year. However, this spring, the lead into the Monster Musume anime inspired him to post some neat illustrations, with a series of sketches of the series' leads cosplaying as their young, increasingly popular voice actresses' other roles. 

 Sora Amamiya's Miia as Elizabeth Lyonesse from the Seven Deadly Sins 

なんとなく思ってた事を落書いてみる（・ω・　） pic.twitter.com/8JkzkGk8ci

— オカヤド【モン娘アニメ絶賛放映中！】 (@okayado1215) April 26, 2015

Ari Ozawa's Papi as Monthly Girls' Nozaki-Kun's Chiyo Sakura and KanColle's German heavy cruiser Prinz Eugen

パピの中の人、小澤亜李さんネタ、ダンケダンケ！　#モン娘 pic.twitter.com/nyjrpK7Fun

— オカヤド【モン娘アニメ絶賛放映中！】 (@okayado1215) May 16, 2015

Natsuki Aikawa's Cerea as Ms. Baker from Gundam Build Fighters and Petra Ral from Attack on Titan

セントレアの中の人、相川奈都姫さんネタ、この私のパーフェクトプランによって…！ pic.twitter.com/buiJRQ18FK

— オカヤド【モン娘アニメ絶賛放映中！】 (@okayado1215) May 27, 2015

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Scott Green is editor and reporter for anime and manga at geek entertainment site Ain't It Cool News. Follow him on Twitter at @aicnanime.