A summary episode of Mob Psycho 100 which features commentary from Reigen Arataka.

The anime's story will start where the third season left off, at the competition for who will open the Triple S international sporting event. Raging Entertainment's HE★VENS idol group had hijacked the competition between QUARTET NIGHT and ST☆RISH, causing chaos. However, after the QUARTET NIGHT members suggest a certain idea, the three groups aim toward a new stage, with HE★VENS swearing to get their revenge on the other two groups.

Uzuki Shimamura is an aspiring student who dreams of being an idol. After failing her first audition, a producer from 346 Productions tells Uzuki that she has been chosen for the "Cinderella Project," a new idol group. The project, however, still lacks two other members, so the producer needs to scout suitable candidates. The producer's eyes fall upon Rin Shibuya, who is in the midst of an incident with an upset crowd. As the imposing producer defends her, the two of them are taken in for interrogation by the police, and released after some explanation. Taking this opportunity, he scouts Rin for the Cinderella Project, only to be rejected. Will the producer be able to find two more members for his idol group? [Written by MAL Rewrite]

In the world of Japanese ping pong, a mighty king has fallen. An underdog team suddenly breaks the indomitable Oudou Academy's nine year winning streak, creating a power vacuum as players everywhere are given hope that they too can reach the national tournament. Suzumegahara Middle School is home to a small-time team: Hanabi Tenka, who has a rapid attack style; Hokuto Itsumo, who can predict the ball's most likely path; Agari Kamiya, famous for her signature backhand smash; vice-captain Mune Oomune, who has an aggressive playstyle; and team captain Kiruka Ushirode, who possesses an impenetrable defense. Despite their skill at ping pong, the team has never made it further than the local city tournaments. But everything changes when transfer student Koyori Tsumujikaze arrives in town. Filled with an intense love of the game, she quickly makes a name for herself as another top player on the team. Koyori's positive attitude towards ping pong lights a fire in each of the girls' competitive hearts, and together they embark on a mission to win the national tournament. [Written by MAL Rewrite]