MTL - The Golden Elixir is a Star. Do You Call This Cultivating Immortality? - Chapter 6 walking pets

A decision can destroy the sun, moon and stars. A finger can kill the Heavenly Overlord. While chatting, the Heaven and ten worlds can be annihilated.

"Your granddaughter claims she likes girls while my grandson is rumoured to be bent so… don't you think they are a good match for each other?"

Wendy Waltz, a diehard anti romantic! Though born as royalty, she had been neglected by her father and bullied by her stepmother and younger sibling. To make this worse, she had been betrayed by her lover. She throws away her royalty and name and starts anew with a new name and a strange power! But who is this Head of the Imperial Guards, Lard Shroder, who keeps appearing beside her?

Oosuki Masato is an ordinary high school boy who is magically transported to an alternative world, but for some reason his doting, over-protective mother comes along as well.