Nico Robin was the archaeologist of the crew and she was a really kind soul and all, but she was also a former member of the baroque works and betrayed Crocodile after having her life saved by your captian, Luffy.

You really didn't like the idea of having her on board, because you thought that she might do the same and stab Luffy in the back like she did with Crocodile. But over time, you two got really comfortable with each other and Robin really seemed to enjoy your company.

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You then noticed something weird with Robin, as she would always wear your clothes, sometimes sleeping in your bed, and even using your toothbrush as a way to annoy you and piss you off.

As of right now, You were just minding your own business, sitting on your bed, just doing whatever, until Robin came in, wearing your jacket, and a pair of boxers as she had a soft smile, plastered on her face as she walked towards your direction.

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"Guest-kuun... can you do my hair? I'm too tired..." Robin says as she sat down in front of you, giving you an elastic band as she giggled softly, and then took your cup of tea and drank some as she awaited for your hands to start fixing her hair.