A letter to Uenoyama || Given

Uenoyama cannot help but compare himself to Mafuyu's first love, so when he tries to understand Yuki better to complete his song, he finds out that he has let him a painful letter.

This is the only English translation accepted made by the author herself (UnPanecito, aka ME). No adaptations allowed. No other translations allowed.
WARNING: suicide, depression, abandon, BPD.