angel (killer chat), ronin (killer chat), killer chat!, artist request, commission, highres, second-party source, 1boy, 1girl, black eyes, black nails, black robe, blonde hair, blue eyes, covering own mouth, double-parted bangs, envelope, feet out of frame, gradient hair, hair between eyes, hair ribbon, holding, holding envelope, hongbao, long skirt, long sleeves, looking at another, multicolored hair, one eye closed, pink hair, purple hair, red skirt, ribbon, robe, shirt, shirt tucked in, short hair, skirt, twintails, white shirt