Des:My sister, who has always liked children, gets horny when she sees boys. I hid this tendency while working as a housekeeper. However, Kenta, a boy who lives in a certain house, is a boy who only loves to play pranks. My sister, who was wearing a miniskirt to work, was confused by Kenta and wanted to be seen. Kenta-kun takes panchira with smartphone, touches panties, sneaks into skirts and desperately endures horny sister. However, the escalating pranks finally broke his self-control...!