GURPS Damned Stalkers (ガープス・妖魔夜行, GURPS Youma Yakou) is one of the exclusively Japanese GURPS books.
"GURPS Damned Stalkers" is highly-influenced Classic: Supers. GURPS Damned Stalkers has some own rules, campaigns and setting of the background.
The player characters of Damned Stalkers are Youkai (妖怪). They correspond to Supers of GURPS Supers.
Some of super-advantages and super-powers in Classic: Supers are literal-translated into Japanese as Youryoku (妖力) and Youjyutsu (妖術) in GURPS Damned Stalkers.
Links[]
http://www2s.biglobe.ne.jp/~iwasiman/foundation/stalkers.htm discusses supplements Yomika Night and Hyakki Yasho