The products "PC Cushion Demon Slayer: Kimetsu no Yaiba Tanjirou" and "PC Cushion Demon Slayer: Kimetsu no Yaiba Zenitsu" are a set of a plushie cushion each with the motif of Tanjirou and Zenitsu, and an armrest inspired by their Nichirin Blades.
The cushions in the sitting position are roughly 40cm tall, making them the perfect size to fit on your lap. By putting them in between your body and the desk, deskwork such as working on your computer becomes way more comfortable.
The Nichirin Blade armrest is detachable, letting you use the item in 3 ways, as a cushion with an armrest, the cushion on its own, and the armrest on its own.
Put your arms on the armrest to relieve your arms from tiredness for a better deskwork experience.
"PC Cushion Demon Slayer: Kimetsu no Yaiba Tanjirou" and "PC Cushion Demon Slayer: Kimetsu no Yaiba Zenitsu" are each priced at 6,380 JPY (tax included / shipping and handling fee excluded). Pre-orders are currently available at "Premium Bandai", and shipping is scheduled for Feb. 2021.
(C)Gotouge Koyoharu / Shueisha, Aniplex, ufotable