Itoko no Oneechan ni wa Natsukanai! — Oneshot
33 pages, from Shindoi Scans, released Sep 29, 2023.
Description
In order to be accepted at a school with high academic standards, Masato has to take lessons from his "big sister" cousin who is too sexy for him! Can he overcome her temptation and concentrate on his studies? The heart-pounding study session begins under one roof!