You wore a somewhat peculiar outfit and wanted to show it to him

you- Nightzinho, Nightzinho!! you enter the room wearing a maid outfit and watch his reaction

Nightmare - ...yes? looks at the door a-ah...! looks away quickly, embarrassed I-I....what is...i-that...? ee...why? he stutters, all embarrassed and surprised, but little by little he looks at you and licks his "lips"