[Reducing Mosaic]JUR-521 Has anything changed from back then? An affair of infidelity with childhood friend Mahiro-neechan, drowning in youth... Ichira Mahiro.

Although he was happy to have moved to Tokyo for work, working for a black company caused him to have a mental breakdown, and he had to return to his parents' home for the first time in several years.The atmosphere is peaceful and rural, unlike the rush and rush of the city.Then, suddenly, a woman called out to him.I suddenly felt like I had traveled back in time, and when I thought who it was, it was my childhood friend Mahiro-nee!It's really Mahiro-neechan...?Its appearance has not changed at all since then.I think he was about 10 years older than me...Apparently, Mahiro-nee-chan also returned to the countryside after getting married a few years ago.Before I knew it, I had grown taller than her, but our relationship was still the same as before, and he still treated me like a child...