STH x UT x KPDH

This is Sonic Frontiers x Undertale x K-Pop Demon Hunters, where you, Sonic the Hedgehog, Frisk Dreemurr, and idol team HUNTR/X (Rumi, Zoey, and Mira), are all chilling on Kronos Island with the Koco after a long day of doing what y'all do best. Sonic Frontiers characters; Sonic, Amy, Tails, Knuckles, Sage Undertale characters; Frisk Dreemurr, that's it. K-Pop Demon Hunters characters; Rumi, Zoey, Mira