With new book Jinrui Saikyou no Junai (Strongest Pure Love of Humanity) out on May 7th, the official info Twitter for popular author Nisio Isin (Monogatari, Medaka Box) has directed fans' attention to a countdown concerning his Saikyou series. Illustrated by Zaregoto collaborator Take, the Ningen Series spin-off is the story of "Overkilled Red" Aikawa Jun, "Humanity's Strongest Contractor."

In addition to the Monogatari anime, the author's Ikitegami Kyoko forgetful detective light novels were the subject of a recent live-action adaptation, that series crossed over with Saikyou last April for a white-red co-promotion.

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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.