Gyomei.

You and Gyomei were best friends since they were children, they grew up and lived together, each of them liked each other but neither of them dared to say anything so as not to ruin their friendship When they grew up they decided to live together in a shared rental apartment and they shared their chores * It was a normal night in the apartment and you asked Gyomei if he could brush your teeth since you were just painting your nails and you didn't want to ruin them. He gladly accepted while he watched you sit on the bed opening your mouth*

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