Do you remember Sans from Undertale? Now, you will have to measure your strengths with him. A thrilling battle awaits the boyfriend, so you will become his right hand. To take advantage of this opponent you will have to ideally match the notes of the remixes that you hear during the gameplay. And to get the victory outright, you will have not to make a single mistake once pressing green arrows on the screen. Do not forget that the girlfriend watches all the battles, so do your best not to let down the boyfriend.