So what if Subaru had Determination and Sans' Abilities? Well here we go, Subaru Natsuki, a human who fell into the underground and raised by monsters and two well-known skeleton brothers? Well find out in this story right here!
#3:Emilia (I know that Emilia feels warm around Subaru but she doesn't know what to call it because she doesn't know what love is so yeah. Still a love interest)
#4: Rem
#5: Ram
#6: Crusch
#7: Anastasia
#8: Priscilla(Possibly. Need ideas for her)
#9: Elsa
#10: Bete Noire
That's it for now. There are more girls I'm adding but for now. This is the 10, three are from the Undertale cast while the others are from the Rezero cast.