From a Million-View Fitness YouTuber to a Powerless Nobody in a Webtoon?

The year is 20XX, and humanity has been thrust into a new era following the sudden invasion of monsters that look as though they stepped straight out of a B-movie. In response to this unprecedented threat, people have awakened to extraordinary powers. Among the newly emerged heroes who effortlessly radiate immense strength without ever needing to train stands a unique guardian protecting the Stronger Gym. At first glance, he appears to be a fearsome tiger, but in reality, he is simply a man dressed head-to-toe in a tiger-patterned shirt and pants. Despite the chaos unfolding in the world, this eccentric hero greets his loyal gym regulars—affectionately known as his "gym babies"—with the same boundless enthusiasm every single day. Refusing to let fear take hold, he warmly encourages anyone who hesitates at the door, urging them not to be afraid and to step inside. Amidst the monstrous threats outside, he remains dedicated to his true calling. Join this charismatic protagonist and his devoted friends at the Stronger Gym as they navigate a dangerous new reality while cultivating both a healthy mind and an unbreakable body.