happy birthday (artist), sawatari izumi, sawatari mitsuki, kore ga watashi no goshujin-sama, 00s, 2girls, artist name, bare shoulders, blush, breasts, copyright name, detached collar, elbow gloves, female focus, gloves, grabbing another's breast, greyscale, groping, looking at viewer, maid, maid headdress, medium breasts, monochrome, multiple girls, nakabayashi yoshitaka's maid uniform, siblings, sisters, smile, star (symbol), sweatdrop, twintails