HetaTale (Hetalia X ???! Reader X Undertale)

"Well then! We will see each other in some time! I hope both of you don't reset the time so we could enjoy our happy ending. See ya, kiddos!"

''Oh Sans, if only you knew this world is still kill or be killed...hahahahahahahahahahaha!!!!''

"Then if I had to fight you even you used Frisk's body, then I will not hesitant to erase you to prevent you to kill of those innocent monsters!"

"Don't worry dudette! You're not the only one who will fight! Right guys?!"

"Yes"
"Of courze~"
"Da"
"Yep!"
"Hai"
"Ja"
"Ve~!"

'Well then let the true saviors start their Tale on the Underground of Mount Ebott.'