THE STRANGER IN THE HOARDING HOUSE

Burnt out by his job, Kamakura has shut himself away in his home and let the garbage pile up around him. One day, when a friendly neighbor sets foot inside, time which had come to a stop for Kamakura begins to tick forward again, in a story of love and rehabilitation after trauma. (Source: Tokyopop) — Description from AniList community (anilist.co).