Leo and his friend, Riel, are mugged, following which Leo is hit on the head by a spherical vehicle piloted by a microscopic doctor. Meanwhile, a microscopic scientists offers Riel the chance to become something more.

Business is booming at Café Stile, but they’re short-handed. When an advertisement goes out for a new part-timer, applicant Hideri Kanzaki comes in right away for an interview. Maika and Kaho are charmed, but for some reason, Dino isn’t quick to make the hiring decision...

Hinata is so enraged by her classmates and homeroom teacher. When Rei arrives for a visit at the Kawamoto home, he treats Hinata with kindness in his own way. On the other hand, the semi-finals of the Newcomer Tournament are here. Rei’s opponent is Subaru Hachiya, the “Irritated Prince of the East.” How will Rei fare against this strong, irritable yet irritating player?

Aqours has been invited to the Hokkaido regional prelims. When Chika and the others stop by at Saint Snow's dressing room before their performance, Sarah says that she'll see them again in the final round.

Van and the rest are searching for Cardia in London when an explosion suddenly breaks out. Isaac's terrorist plot has begun. A coup d'état also begins from within the British Army, endangering Queen Victoria.

Gao and his friends pursue Sakate from Grimoire Park to the Chaos Control Company HQ. Kanata must defeat Keisetsu to gain an audience with Wisdom.