Back Dooor is an app that provides 1on1 chatting services with favorite player of the users.
Back Dooor has raised $345K in total funding. The most recent round was Undisclosed. The last funding was announced in December 2024.
Back Dooor's investors include Masahiro Yamashiro, Soichiro Kawai, Shintaro Otake, Miyamoto Kunihisa, Dai Seta.
Back Dooor is headquartered in Nagoya, Japan.
Back Dooor is an app that provides 1on1 chatting services with favorite player of the users.
Back Dooor is at the Undisclosed stage.
Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated .
"Back Dooor — Funding & Investors." VCBacked, December 13, 2024, https://www.vcbacked.co/company/back-dooor. Accessed August 18, 2026.
VCBacked. (2024). Back Dooor — Funding & Investors. Retrieved August 18, 2026, from https://www.vcbacked.co/company/back-dooor
{{cite web |title=Back Dooor — Funding & Investors |url=https://www.vcbacked.co/company/back-dooor |website=VCBacked |access-date=August 18, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated