It’s voice phishing, but it’s a life reversal is a Manga/Manhwa/Manhua in english language, Comic series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

“I’ll change your future!” A chance to turn your life around, a guaranteed service promised by a voice phishing scam! “Kang Juhyuk,” a once beloved national actor who has fallen from grace and into poverty, lives in a dark, single-room apartment in misery. One day, an unidentified smartphone is sent to Juhyuk, leading to a series of events that will completely change his life. “The voice phishing calls I’m getting… are they selling the future?”