[Supe (Nakani)] She Used to Be Cool 2 [Decensored]

A busty older sister with her skirt hiked up teases her younger brother about his mock exam scores, only for the encounter to spiral into a desperate, overwhelming tryst where she eagerly services him. The volume bounces between her cheerfully pressuring him into 'practice' and graphic, messy couplings—oral, creampie, and forced climaxes—leaving the overwhelmed boy completely at her mercy.