In exchange for the comfort of his room and access to his manga, she allows him to use her body as he pleases.
Much of the appeal lies in the contrast between Kuroda’s laid-back, almost indifferent attitude toward her presence in the room and the intimate nature of their "agreement". Why "Exclusive" Content is Trending iribitari no gal ni mako tsukawasete morau exclusive
Kuroda, a stylish "gal" classmate, spends her time lounging at the male protagonist's house. In exchange for the comfort of his room