Toki no Kizuna: Sekigahara Kitan is an otome game developed by Design Factory and Otomate. It was released on July 19, 2012 for Playstation Portable, and it is said to be the prequel of Hakuouki. Known as part of Shall we date ? games in English, and it is under the name Shall we date ?: Demons' Bond -The Path of Exile-.