Imouto to Kanojo - Sorezore no Sentaku
June, the rainy season. Kei, a fourth-year college student, is at a major crossroads. Since the day of the fireworks display when he interrupted the confession from his younger sister Haruka, the relationship between them has gone cold, and still remains in this way for three years. To become truly happy together, until the "Answer" is found, there is no way to respond to his sister