orobou, koseki bijou, koseki bijou (1st costume), hololive, hololive english, commentary, highres, 1girl, @ @, arm garter, between legs, black corset, center-flap bangs, chest jewel, circlet, colored inner hair, corset, detached collar, detached sleeves, double-parted bangs, dress, gem, gradient hair, grey hair, hair flaps, hand between legs, jewel under eye, long hair, multicolored hair, open mouth, pink hair, purple eyes, purple gem, sidelocks, simple background, single detached sleeve, sitting, solo, strapless, strapless dress, underbust, very long hair, virtual youtuber, white background, white dress, white sleeves