I Put Points into Movement and Agility, and You Call Me Untalented?

Humanity has entered the age of psychic power. A boy who sells things at a vocational academy gets the core fragment of a Ring of Time.

Host moves one small step, and physical coordination improves while Agility increases.

Host uses time reversal and may choose any point within the last 72 hours to return to.

Watch as he uses his speed advantage to defeat talent users ranked B, A, S, and beyond, starting as an E-rank talent user.

Your speed talent is high, but you've hit a bottleneck. Well, no problem. Just give me some time, and I'll surpass you.

My speed is unmatched. How will you deal with that, brother?