The great sage, Grameos, tired of his current life as a famous mage, decided to reincarnate as a young boy 200 years in the future. Before reincarnating, he places two magic restraint seals on his hands, so that he can hide his enormous magical power after he is reborn. His motto for the next life is "Hide my powers, don't stand out, and be free".

Kanon Miura is a freshman in high school who belongs to the student council. Everything is peaceful until ping-pong club president Kaede Tamaki intrudes on the student council, which somehow results in all of the members joining the ping-pong club... Follow the adventures of give cute girls from both the student council and ping-pong club in this slice-of-life four-panel manga!