Little Devil's Troubles, Tomoe Koga (SBY/W77-E024) is a level 0 green character from the Rascal Does Not Dream of a Dreaming Girl set with the Adolescence and Smartphone traits. The card has 1500 power, 0 cost, and no printed effects, serving primarily as an early-game board presence and soul contributor. Its low level and cost make it useful for staging and supporting higher-level plays in a deck built around the set's characters.