In the pulsating heart of a neon-lit karaoke bar, two petite anime sisters, untouched by the world outside their game, let their inhibitions loose. Barefoot and dressed in provocative outfits, they sway to the rhythm of their taboo pact, fingers entwined. The room's humid air thickens as they touch, their public exhibition igniting a spark that neither can resist. Their eyes meet, and the game begins.