King of Tennis: an Inventory of Skills

An ordinary person from Blue Star suddenly traveled to the world of Net King and obtained the skill inventory system, and then... The whole neon became weird! Echizen Ryoma, who had just arrived at Seigaku, was immediately shocked when he saw the inventory. The light ball that broke the wall, the different-dimensional god statue that broke the dimension, the mysterious spiritual tennis... Is this really playing tennis? ? ? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.