Ossan Idol!, Volume 6: Volume 6 (manga)

Miroku Osaki is 36 years old, unemployed, and unhappy. Having been bullied in his childhood and even into his adult life, he became a shut-in after being unfairly laid off. For a long time, the only thing that brought him joy was online gaming. Then, he tried the popular "Let's Try Dancing!" karaoke style.

It was addicting... and transformative! Inspired by his new hobby, Miroku decides to turn his life around. He begins singing karaoke and going to the gym, where he meets Yoichi, the director of an entertainment company who encourages Miroku to pursue his dreams.