Well as you see this is a crosover of tate no yuusha and undertale well let's go with the description It all starts with a pacifist route sans and frisk walking through the park and talking, one day sans meets a girl named kris so kris living more with sans and falling more in love with him pro upon learning that sans is with another girl who is the ambassador of the monsters dicide make a plan to end with frisk developing determination and making a rest which would change the life of the our undertale protagonists who will live great adventures, betrayals and many more things in this great crosover than the truth makes me very excited to do I hope and like chapter 1 of this great series