Become Invincible from the Moment You Step Out of the Women's Prison

My name is Lin Xiu, I was born with a fierce body, and I am going to die. Fortunately, the warden of the women's prison, Liu Ruyan, saved me. She has a good figure and often teaches me martial arts and medical skills in the middle of the night. Although she is older than me, she insists on calling me brother and let me call her sister. But I have a special constitution, and Sister Ruyan cannot completely cure my disease. She helped me find a woman with a very feminine and soft constitution, so that the two of us could treat each other's illnesses. So, I left the women's prison and started a life without... Without... My name is Lin Xiu. After leaving the women's prison, I became invincible.