The Big ImageBoard (TBIB) - 1girl armband black skirt black socks blue hair character name closed mouth copyright name dolphin hair ornament drawstring fang full body grey hoodie hair ornament highres hood hood down hoodie izumi sai jacket long sleeves looking at viewer mole mole on thigh multiple views nijisanji nishizono chigusa official art open clothes open jacket pleated skirt purple eyes reference sheet school uniform second-party source selene girls school uniform shoes short hair simple background skin fang skirt smile socks virtual youtuber white background white footwear white jacket