* PlayingAgainstType: Creator/MonaMarshall plays a female character in this show, Tomari.
* RelationshipVoiceActor:
** Creator/YukariTamura has two, one with Creator/RyokoShintani and another with Creator/YuiHorie:
*** With the former in ''Anime/GalaxyAngel'', ''Anime/PleaseTwins'', ''Anime/MaiHime'' and ''Anime/MaiOtome'' (and both with Creator/KeijiFujiwara in ''Galaxy Angel'').
*** With the latter in ''VisualNovel/{{Kanon}}'' and ''VisualNovel/DaCapo'', and later in ''VisualNovel/HigurashiWhenTheyCry''.
** Yui Horie and Ryoko Shintani appeared in ''Anime/PaniPoniDash'' and later in ''Manga/{{Saki}}''.
*** Both would later feature alongside Yukari Tamura in ''Anime/KaitouTenshiTwinAngel''.
* The aquarium Hazumu visits with Tomari is very likely modeled after the Osaka Aquarium Kaiyukan.

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