If I may add, and if it helps pinpointing, during the celebratory party with Soutarou, his mom, and Kyouji, the narration mentions "claws" a few times throughout this event, even if Hiro's species is set as human. If I remember correctly, the same event also mentions "whiskers". Or at the very least somewhere in Kyouji's events
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Thank you so much. With the appropriate keywords, I managed to find several instances which weren't accounted for when we added the species toggle. I've managed to make adjustments so that the appropriate checks are made, and the lines adjusted as needed if Hiro is a human. These will be reflected in Build 14.