A Million-Sub Gym Influencer Becomes a Loser?

Sinopsis

Take a look at this—!![Saving the World at the Gym!] The year is 20XX. With the invasion of monsters straight out of a B-movie, humanity opens its eyes to a new power!Among the heroes who ooze strength and power without having to work out is a "tiger" who guards the Stronger Gym...No, it’s not a tiger, it’s a man wearing a tiger-patterned t-shirt and pants!Today, he greets his gym babies with joy like any other day."What? A gym baby?! Don't be scared. Come on in!"Come watch the main character and his Stronger Gym friends cultivate a healthy mind and a healthy body!