(MC POV)
"Onii-samaaaaa!"
"Aniueeeee!"
""That fake little sister is bullying meeeee!""
I sighed and patted their heads, "Ok, ok. Your hot chocolate is getting cold so drink up before it chills, ok?"
Both of them quietened down and drank their hot chocolate, though they still glared at each other over the rims of their cups.
I realised that their problem was not even remotely similar to the original World's, at least in terms of scale.
Since this World's version of me had settled himself quietly here without meeting either of them, the two of them went to do their own things without someone to check on them.
And by a twist of fate, Tsuki stayed in the Earthen Plane instead of leaving for the 'higher' Planes.
Of course, when I say 'twist of fate', I really meant me doing some reality manipulation at the start when creating this World.