1girl black shoes blue eyes blue hair blush breasts chair closed mouth collarbone commentary request gradient hair hair between eyes hair ornament hairclip highres holding holding paper holding pen kouhai-chan (udon) lanyard large breasts long hair long sleeves looking at viewer miniskirt multicolored hair office office chair office lady on one knee original panties pantyshot paper pen pencil skirt pink panties shirt shirt tucked in shoes skirt smile swivel chair thighs udon (udonalium) underwear upskirt white shirt