The setting where time has replaced currency is attractive. People in the slums constantly struggle, managing their lives minute by minute, while the wealthy, in stark contrast, waste time. This resistance to capitalist society is depicted in a manner that highlights the injustice of the situation.

Otokotsu, a different character from the main character, Torajo, is a shonen manga protagonist with old-fashioned friendship, hard work, and growth. And since this film is an original story as a prequel, it can be enjoyed even if you have not seen the TV anime, and the action is so cool that it is a representative theatrical animation of the 2020s.