Growth System In RWBY

A man is reborn as Ruby Roes and Yang Cioa Lung's BIG brother. And is that just the story? ...... No. "My System's Awakening Can't be this late! Especially when Taiyang is starting to act super violent against me..... And my sisters can't be acting neglectful, too!" "I need to resolve this...." ~~~~~~∆~∆~∆~~~~~~ I'm just going to warn you that this has harem and might also have possible incest