I'm the God of the End, Not a Useless Little Girl!

[Two Female Leads + Pseudo-Invincible + No System + Steam and Magic] In the lower district of Blood Harbor, everyone thinks Su Muxi is a total sucker. She can barely afford black bread, yet she insists on keeping a sickly little girl at home, one who is terminally ill and utterly useless. But nobody knows The useless little thing who lounges in bed every day and begs her big sister to feed her is actually the God of the End, a being from another worldline who can command the winds and clouds with a mere gesture. Because her newly born mortal body is far too fragile to contain her terrifying divine essence, Xia Yumo has no choice but to seal away most of her power and nourish her body day after day with what little essence she can release. Her supposed frailty and terminal illness are simply the result of the strain her divine power puts on her body. To save up for her little sister's treatment, Su Muxi works herself to the bone, even selling herself to a witch as an alchemy assistant. Meanwhile, Xia Yumo obediently drinks her bitter medicine, then quietly tears open space with her pale little hands whenever her sister isn't looking A foreman dares bully her sister? Gangsters come around demanding protection money? Any supernatural threat that tries to hurt Su Muxi? Sorry, they're all banished! Until one day, a great witch from the Academy of Witches comes pounding on their door, sweating profusely. “Su Muxi! Do you have any idea that the little girl you’re raising is an evil god who could erase an entire empire with a snap of her fingers?!” Su Muxi, who is tying Xia Yumo’s hair into twin tails, stares back in confusion. “Huh? An evil god? Xiao Mo, have you been secretly using your divine powers again?” Xia Yumo blinks her innocent, amethyst-like eyes and smiles sweetly. “Of course not, Big Sister. Xiao Mo is always a good girl~”