[Rondonko] Dressing-Up My Little Sister (COMIC LO 2022-03) {Mistvern}

Makoto's snooping through her big brother's bookshelf uncovers his stash of figurine photo books — and reveals exactly what kind of girl her otaku sibling drools over. Coaxed into a cat-eared costume with a jingling bell collar, her reluctant teasing melts into fingers probing her soaked pussy, swollen chest played with, and a relentless pounding from behind that leaves her twitching and pretending she isn't hooked. Too proud to admit she wants another round, she gets far more than she bargained for when he bursts back in with a whole new outfit to dress her up in — plus a scheme to sell the pictures.