| Name | Usai 【うさい】 |
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| Etymology | From 兎 【うさぎ】, rabbit, and ウルサイ, "SHUT UP!" | |
| Brief description | Usai is a maid wearing blue bunny ears. She wants peace and quiet, but instead of telling people "urusai" ("shut up"), she says "usai" ("shup"). | |
| Moé Ranking | 3/5 Sakuratanns |