Imouto e no Ayamachi v1.1 (English (GPT Luna))

That summer, we were supposed to remain just an ordinary brother and sister. Every day I spent with my younger sister was supposed to be the same as always. That was all it was supposed to be. My sister comes home. Her skin damp with sweat, her cheeks slightly flushed, and that somehow needy look in her eyes become more than I can resist…​