Sewayaki Oku-san de Hito no Tanomi o Kotowarenai Ai-san by Pin-Point jap - Adult Sex Game

Spring --- Masato Inamoto, the main character who returned to the local town when he entered college when he was 18 years old.
Living alone for the first time...Being attending a s' school, Masato, who hadn't been there until now, was excited about her new life.
When the move was over, and when I went to greet my neighbor, it came out that my first love woman, Masato, was adored by calling her sister Ai---Ai Fujikawa.