The Genius Wants to be Ordinary! is a Manga/Manhwa/Manhua in english language, Drama series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

The protagonist of a successful life recognized by the public, 'Son Jinhyuk.'
However, Jinhyuk just wanted to live a normal life with his beloved family, and he couldn't hide his lonely heart because he couldn't.
One day, I woke up in an accident and was back to the time I was 9 years old before I lost my parents, whom I wanted so much!
Will Jinhyuk be able to save his parents and live a normal life?