The Forest Where Yamada Saw Fireflies

On New Year's Eve, a twenty-something year old Hamaji returns home and finds his old classmate Sakura Momoko's diary hidden under the shoe cabinet in his home. Fifteen years had passed since Gr.3 Cl.4 (in which time Hamaji and all his 3-4 classmates had done a whole lot of growing up). Still curious to know what goes on in Maruko's mind, he flips open the diary and begins to read…