In 2017, Sono directed a sequel to Shinjuku Swan, Shinjuku Swan II. In the same year, he wrote and directed a 9-part horror mini-series titled Tokyo Vampire Hotel, which was produced and released to streaming by Amazon. A special feature-length cut of the show running 2 hours and 22 minutes was shown at various festivals. Also he made a cameo appearance in Meisekimu Genshi's short film Ami. exe.
