Lost a story please help me find again.

[pumpertruck]

I believe this story was in taboo but maybe mature.

Son doesn't actually catch mom and grandpa but ... Dad has past away and was mom's handler
mom is a "Queen of Hearts" and needs a new "sponsor".

 

[Cito22]

Same one I'm looking for. Amazing

 

[Cito22]

The authors name is Hisarpy. The story has several titles apparently

 

[pumpertruck]

thank you

thank you so much