(⚠Pic contains SPOILERS)
Finished playing Meakashi-hen, the answer vol for Watanagashi-hen, while listening to the ending song "you". In fact, I've guessed the truth because I've played some games made by "SP-time", a Chinese dojin visual novel developers team, which are inspired by "When They Cry".
I ♥ Shion Sonozaki
We are a cute and loving international community Ｏ(≧▽≦)Ｏ !