This is The SECOND Phase of the "Good time d.u.o". Dodge all the attacks and Watch your HP! - Arrow Keys to Move your soul, The Heart Thingy. What have I Done?
Music is "Double D.i.s.s.i.s.s.i.o.n" Underfell Sans by ??? SwapFell papyrus by "Kkhoppang" Undertale by toby Fox