Reborn in Another World: My Sister Became My System

My ambition is to travel across the otherworldly continent with my big sister System. 【Two Heroines + Little Girl + System Takes Physical Form + Transmigration + Developing Another World + Wild Imagination + Slow Burn】 After Ling Ye died in his rented apartment, he transmigrated to another world and even met his long-deceased older sister? Most importantly, his sister had actually become his System! He’d turned into a little girl, and it turned out to be his sister’s doing. This otherworldly continent is home to all kinds of fantastical races, as well as their own kingdoms. “Wait, isn’t that a remote-controlled robot? How can something like that exist in another world?” “As my System big sister, shouldn’t you be acting a little more appropriately?” “Hehe, who says a System can’t dress up its Host? It’s so cute!”