How Come I Have Changed After Being a Mercenary for Seven Years?

Fifteen-year-old Zheng Mingyu decided to go abroad with the mysterious housekeeper and step into the underground world in order to let Sister Holly and Nali, who had been dependent on each other since childhood, go to school. Seven years later, he became the uncrowned king of mercenaries who was feared all over the world: [Memories] With two months of vacation, Mingyu embarked on a trip to visit relatives and reunited with his three siblings. I thought it was just a short warm visit to relatives, but I didn't expect that the daily painting style gradually got out of control. The three sisters are not relatives, they are not relatives, they are not relatives. Say important things three times! ! !