Hyou-ka: You Can't Escape is a Japanese mystery novel Honobu made by Yonezawa. It is adapted into an anime of 22 episodes in 2012. The series has four pieces of theme music: two opening themes and two ending themes.
The first opening theme is "Yasashisa no Riyuu" (Reason of Kindness) by ChouCho, and the second opening theme is "Mikansei Stride" (Unfinished Stride) by Saori Kodama. The first ending theme is "Madoromi no Yakusoku" (Promise of Slumber), and the second ending theme is "Kimi ni Matsuwaru Mystery" (Mystery Surrounding You); both ending themes are sung by Satomi Sato and Ai Kayano.
The first opening theme is "Yasashisa no Riyuu" (Reason of Kindness) by ChouCho, and the second opening theme is "Mikansei Stride" (Unfinished Stride) by Saori Kodama. The first ending theme is "Madoromi no Yakusoku" (Promise of Slumber), and the second ending theme is "Kimi ni Matsuwaru Mystery" (Mystery Surrounding You); both ending themes are sung by Satomi Sato and Ai Kayano.