TrySail releases a new single in their 11th year since debut. The title track "Shokei" is selected as the ending theme for the TV anime "The Failed Sage's Academy Muso (Rakudai Kenja no Gakuin Muso)." The Limited Edition features a deluxe specification with a slipcase box including one acrylic stand with the "Shokei" costume group design and three solo alternate jackets, and also includes a Blu-ray with the music video for "Shokei" and its making. Comes with an application flyer (valid only in Japan).