A "science trouble" romantic comedy OVA bundled with the manga's fourth volume. It follows a high school boy named Komaba Haruki and his two girl friends: the cyborg girl Airi, and the half-dog girl Ayana. The two go to extremes with the power of science, which only gets Haruki involved in ecchi troubles. <br><br>
(Source: ANN, MAL news) 

A "scientific" perverted manga with a lot of tentacles. Komaba Haruki is a high school boy who has two eccentric girl friends: Hizuki Ayana and Kuze Airi. Ayana is half-dog and Airi is half-cyborg. Haruki gets involved in ecchi troubles caused by the two. <br><br>
(Source: MAL news) 

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