Within the Beautiful Light. On a beautiful moonlit night, a cute girl suddenly falls in front of Tekken. She was the legendary idol, Kaguya, who even surpassed Diva Arthur. Kaguya, who looks like a high-handed princess, seems to be pursued by her insidious fans, so she suddenly asks Tekken and others to be her bodyguards. To be forced to accompany him. However, Tekken doesn't seem to be interested in Kaguya, and he doesn't react when he happens to see her naked. Having hurt her pride, Kaguya comes up with an idea to get back at her Tekken.