Set in the casino cups AU of cuphead. Mugman has gone on a full obsession to find calix animi, and perhaps grant himself immortality. Cuphead has been worried, ever since he overheard his brother ranting to quadratis on the hill one night. He hates seeing his brother go more and more nuts everyday. Will mugman be able to pull himself together before he descends into madness? Or will cuphead be stuck to deal with a power-hungry demon forever?