Fudou Keiichi (42 years old, office worker, single) has one thing that he looks forward to in his unchanging daily life. That is his secret account that he energetically runs on the up-and-coming social media, KLART! But before he knew it, his precious secret account is being flamed terribly online because of a super famous high school boy influencer...!? And from then, that's how an unprecedented, super cool friendship is suddenly formed! Fujimine Shiki presents this new era friendship with an age gap!!