25-JI NO GHOST WRITER

Higurashi Tsugumi lost his parents and maid in a fire when he was still young. He's now 15 and a promising new writer, however, he's been stuck in a slump for the past year. He decides to go back to his old family home in order to gain inspiration by reminiscing on his happy past. Unbeknownst to him, he would be greeted with an unexpected surprise from his childhood... Includes Chapter 7.5 "Interlude: Shoes That Don't Fit" — Description from AniList community (anilist.co).