[Solo Shimeji (Bunapi 397 Yen)] 2-nen C-gumi Gakuen Oppabu no Cast ni Imouto ga Ita | My Little Sister Was a Hostess at Class 2-C's School Festival Boobs Bar

A shy, big‑breasted schoolgirl‑turned hostess named Ichika finds herself irresistibly drawn to her brother’s lingering gaze as she serves drinks at the festival’s boobs bar, sparking a heated, secret encounter. She protests that his constant staring makes her nipples throb, yet the tension quickly erupts into a passionate, taboo liaison that leaves both breathless and aware of the risk of being caught. The story unfolds with playful teasing, sudden arousal, and a climactic moment where the siblings share an intimate, wet climax, promising endless affection for the little sister.