A Million-Sub Gym Influencer Becomes a Webtoon Loser?

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! (Source: KakaoPage, translated)