The StairMaster VIIT programme can certainly make me sweat , but the hardest part has to be trying not to mouth the lyrics of 心臓を捧げよwhen it comes up on my gym playlist  
https://youtu.be/R3-L_9s4yQE
#gym
【MAD】『心臓を捧げよ!』で振り返る 進撃の巨人 Season 2

YouTube
Me each time I pick a higher speed on the StairMaster:
♫ これ以上の地獄は
ないだろうと信じたかった ♫  
#gym #StairMaster