[Shouji Nigou] Akogare no Nee-chan ga Gal ni Natte Kaette Kita Natsuyasumi Ch. 4 (COMIC Ananga Ranga Vol 67) [Full Color]

A summer vacation takes an unexpected turn when a much-anticipated older sister returns home transformed, radiating a new and provocative energy. As she relaxes on the sofa, the tension between her and her younger brother escalates, turning a quiet afternoon into an intense encounter of desire and discovery. What begins as a casual interaction quickly shifts as she draws him closer, revealing a side of herself that is unexpectedly erotic and impossible to ignore.