Character profile
Hippo
ヒッポBiography
Hippo is Lucia's guardian and guide, accompanying her search for the pink pearl. Polite even when angry, he consistently adds “-san” to people's names and openly disapproves of Lucia's relationship with Kaito.
Story spoilers
Although first presented as Lucia's pet penguin, Hippo's real form is a human boy. In that form he falls in love with Yuri, who returns his feelings, and he later transforms into a creature called Hippocampus.
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