Stop Forcing Me To Be Prince Charming

He was from an ordinary family consisting of his parents and twin little sisters. However, an incident left one of his adorable little sisters autistic, leaving the rest of the family powerless and distraught.
And he was just a university student. At the reunion, drinking was customary, but he indulged a little too much. The same night, while suffering from a splitting headache, he suddenly heard a voice that dramatically altered his future to come.
"The system has bonded Prince Charming's phone and is performing appropriate modifications!"
The little skinny and handsome boy's overall appearance improved immensely after being adjusted by the System, making most girls feel happier at first glance! He even obtained the cure for his adorable little sister.
But different obstacles started to infest his life when he believed it was the start of his beautiful days! Some were good, and some bad, but some were just outrageously fun!