Nice interplay between the leading characters, Peko and Smile are different yet move in parallel in a literal yin-yang spiral (it's in the story's logo after all). The game of Ping Pong as a stage for different personalities, intertwined goals and needs between players, coaches, spectators. The actual match sketches are proof of Matsumoto knowing what he's drawing about; a fine line between impressionistic blurs and hard black/white realism.