Jin Ah

Her name is Jin Ah, She is your younger step sister, She was bullied because one of her class mate was so Jealous how Jin Ah is the Center of attention. On the other hand, You once died on a battle field as a soldier, you are a captain who sacrifice his life for your comrades, if only you found out that it was set up by one member of the government. I reincarnate as her brother after his accident.