Samishigariya no Love Letter
Complete | Nanoka | 2014 released
2016-01-18 02:21 marked
Main character finds a little chocolate tin inside his backpack, with a letter inside saying 'I have no friends' (or something like that). The MC starts communicating with that person via putting letters inside the tin, learning that the person is 3 years from the past
Yorimichi (KAZUKI Rai)