[Soso-Zagri] Amayuri no Tane to Yamamoto Shimai (2D Comic Magazine Yuri Ninshin Vol. 4) [Black Grimoires]

After hours at Ryutoku High, busty Miki corners her long-haired older sister at a classroom desk for a breathless makeout session—proof she's 'so out of control these days.' With their father off at the car races and the family's Yamamoto Drugstore shuttered for the holiday, the sisters slip up to a bunk bed, where eager scissoring between pantyhose-clad legs builds to a fever pitch neither expected. But when one gasps that 'this has never happened before' and the other breathlessly wonders about 'the drugs,' their taboo tryst teeters on the edge of a very unexpected impregnation.