Help plss

Mana743 January 1, 2019 2:10 pm

I need help finding a manga(￣∇￣")
It's about a boy and his younger sister is very sick. This lady asks him if he is willing to risk his life for his sis and he says yes. He gets sent to the place and he turns into a girl. He has to fight 3 other girls in these games to get money and if u lose u die. All know is he names his girl form the same name as his sis and its "Yuki" Pls helpp~