Katarina Nounai Kaigi
Japanese title: カタリナ脳内会議
Alternative titles: Katarina's Brain Conference
Type: ONA
Source: Light novel
Episodes: 26
Status: Finished Airing
Aired: Feb 29, 2020 to May 8, 2020
Duration: 44 sec per ep
Rating: PG-13 - Teens 13 or older
Studios: AQUA ARIS
Producers: Grooove
Genres: Comedy
Themes: Isekai, Villainess

Short specials posted on the official twitter account where the "Katarina Five" will introduce Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta...