Akkun finds out his older sister has a fetish for molestation; furthermore she intends to try to get molested. Out of concern for any would-be molesters who might cross her path, Akkun tries to intervene. But instead he becomes the molester.
Quality checkers: Cadenza, HayateK4L, Psychorhythm (from mangaichiscans)
[Aoki Kanji] Kaisoku Ane no Koukishin (COMIC Anthurium 2017-03) [English] [Team Koinaka]
[青木幹治] 快速姉の好奇心 (COMIC アンスリウム 2017年3月号) [英訳]