The kendo-stick-carrying Kishika has been fully foreshadowed in the opening since this season started.
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Frantic Anime Brief
Frantic Anime is tracking “The 100 Girlfriends Who Really, Really, Really, Really, Really Love You Season 3 ‒ Episode 33”. This update is filed under New Seasons & Sequels, Episode & Cour News. Related developments will stay grouped on Frantic Anime so readers can follow the story without leaving the newsroom.
Reporting provenance: Anime News Network.