Brother: After going through life and death, and going through untold hardships, I finally left the infinite space alive, but something went wrong when I left, and I turned into a baby and was picked up by my sister. Since you are my sister, I will use it I use all my strength to protect you, no one can hurt you! Sister: The younger brother I picked up when I was young grew up to be a reliable man, I became an idol myself, and I have a reliable teammate. Two happy things should have been given to me Bring more happiness, but why did it become like this, the teammate became the younger brother's girlfriend!