Based on the CG collection by Chinjao Girl. (チンジャオ娘。).<br> <br> Takashi tries out a succubus summoning circle he found online, and it works! The only problem is that the one he summoned ended up being his mom... <i>"There's no way my mom is this much of a slut!"</i> he thought. But oh, how wrong he was...<br> <br> (Source: DLsite English)