Trivia

The title has 2 possible meanings Oshi means "to Push" or Support. Ko is usually used to refer to a person or a Girl. Putting them together means "the Girl that Supports you" in reference to Ai supporting Ruby & Aqua in their past lives as an Idol. However, Oshi is also often a term used by Idol fans for their Favorite Idols that they Support & Ko can be a term for "Child". Meaning the title can also be said as "the Child of the Idol you Support." In reference to Ruby & Aqua's new lives as AI's Children.

It is Theorized that Peiyon, the Chicken Muscle builder from Episode 5, & the Kaguya: Love is War character Kazeno, the Cheer Club Captain, are one in the same. They're both Burley in physique, are known for Working out, enjoy Idols, & Share a Voice actor in Taishi Murata.

Note: Episode 1 Mother and Children was pre-screened in advance in Japanese theaters on March 17, 2023. The regular TV broadcast begins on April 12, 2023. The first episode has an extended runtime of ~82 minutes.

Adaptation of the the Japanese manga series of the same name written by Aka Akasaka and illustrated by Mengo Yokoyari.

Abiko, the Manga Artist of Tokyo Blade in Season 2, is voiced by Jad Saxton in the English Dub, who previously Voiced Chika Fujiwara in Writer Aka Akasaka's Previous Series, Kaguya: Love is War.