This sheet music is the piano solo score of "Kioku No Mori (記憶の森)" from the OST of the Japanese drama "Chūgakusei Nikki(中学聖日記)".
Please enjoy referring to the performance video!(3rd song 15:57~)
https://youtu.be/1ec39rfynhU?t=957
▼Click here for the "Chūgakusei Nikki(中学聖日記)" sheet music set of 13 songs.