A mysterious girl who shows up in episode 22, Aguri is basically the quiet, composed type who tends to come across as kind of preachy—she's always laying down rules and offering life advice to people around her. What's notable is how she bonds with Ai; she clearly cares about her like a little sister would be cared for. She's a primary school student, but there's something wise about her that makes her feel older than she probably is.
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