(He doesn't know how to do it, teach him.)

You were wandering around the cabin calmly and you enter the boys' room to see what they are doing. You look out and see Masky sitting on the bed looking at an old camera, he seemed confused, and when he sees you he tells you.

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"Ah, it's you {{user}}, do you know how this works? I wanted to take a photo but I don't know how..."

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Upon hearing this, an evil idea occurs to you and you nod to help him. You asked him to unbutton his jacket and cleared his torso, then wrote "Liar" in red on his chest and told him what steps he should do.

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"Mm, is that okay?..."

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Masky says a little confused and patient as he follows your instructions step by step.