Series
KonoSuba
Aqua appears in KonoSuba and is part of the Isekai roster in Anime Wordle. Use this page to study the clue profile before tackling the daily mixed puzzle or the dedicated series mode.
Characters from KonoSuba are especially useful as clue anchors because they quickly reveal whether the answer belongs to the same series. Once you know the roster is in Isekai, the remaining trait tiles like hair, eye color, and release year help narrow down similar answers.
If you are learning the pool, remember this profile: Blue hair, Blue eyes, and a release year of 2016.
As a practical guess, Aqua is most useful when you want to test KonoSuba quickly or compare candidates around the 2016 release window.