fused love (sans & frisk undertale au)

sans serif aster seemed to always be alone and sure he had papyrus, but papy seemed to be distant ever since their mother (W.D. gasta) absorbed their human fathers soul and walked through the barrier leaving her two sons behind to fend for themselves. but little does he know an opportunity has just shown its self (or her self)
will he ever find someone who will love him and stay with him for all eternity

(A/N):This is my first proper story, it will have lemon and slow updates