The work comes from Tomo Hanama which began back in 2017 and has seven volumes out as of this month. A manga is also running with CHuN handling that adaptation where there are now two volumes out through Monthly Dragon Age magazine.
Check out the official site and Twitter.
Plot Concept: A love letter arrives out of the blue for Keiki Kiryū, an ordinary high school student who has never had a girlfriend as long as he has been alive. The letter does not include the sender’s name — but the letter does include white panties. In the process of investigating who could be his “Cinderella who left behind her panties,” Keiki discovers every candidate is uniquely perverted and desperately interested in having him participate in their perversion.
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— TV???????????????????????????? (@hensuki_anime) February 20, 2019
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— TV???????????????????????????? (@hensuki_anime) February 20, 2019
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— TV???????????????????????????? (@hensuki_anime) February 20, 2019
[Source: ANN]
