Mamono no Heya: 6 nen-buri ni Saikai Shitara Hikikomori NEET ni Natteita Shinyuu no Onee-san ni Semararete Seieki wo Shiboritorareru Hanashi

Notes:
• Released at Comiket 104.
• A live-action AV adaptation (MIMK-263) was released on November 28th, 2025