Don't Cry – My System Will Fix Everything

The male student protagonist got cheated on by his girlfriend and humiliated, when suddenly two beautiful women arrived in a luxury car out of nowhere. It turned out his father was dating a wealthy lady, and not only did he get a new stepmom, but he also got three beautiful sisters. Unfortunately, the three sisters weren't exactly fans of this marriage. Luckily, the protagonist received rewards from a system, inherited medical skills, and started healing people, eventually becoming a top doctor and living a carefree life in the city.