No major game database (Steam, VNDB, DLsite, MangaGamer, etc.) lists a title matching this exactly. It may be:
“A hidden gem that understands the loneliness behind the cheerful landlord facade. The soundtrack’s gamerip captures moments of silence between tenants that the official OST would have missed.” — Reddit user u/LandlordSimEnjoyer dokidoki+little+ooyasan+2nd+gameripm
Pulling the entirety of the game's media library for preservation or modding purposes. No major game database (Steam, VNDB, DLsite, MangaGamer, etc