Yasu calls himself Zvezda's "chief soldier," though he's basically just a low-rank grunt alongside Asuta Jimon. He's got a habit of causing chaos whenever he gets his hands on Natasha's tech, and he's a heavy smoker—something the rest of the crew isn't thrilled about. According to him, he needs the cigarettes to maintain the "bad-boy" persona he's spent so much effort building. Honestly, though, his real motivation for sticking with Zvezda comes down to one thing: he's genuinely afraid of Kate Hoshimiya.
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