Ice and Fire Two Worlds

A goddess who is obsessed with strength meets a bratty younger brother who is weak and often needs protection. "Sister Chu, I'm so weak, you have to protect me!" "Sister Chu, you are so powerful, how can any man in this world be worthy of you?" "Sister Chu, are you going to hit someone? Don't worry, I'll give you a break and won't let others know that you're beating the Crown Prince of Qingzhi Country!" "Sister Chu..."