1girl absurdres armpits bangs bare_legs black_dress black_hair blue_archive blush butterfly_hair_ornament china_dress chinese_clothes closed_mouth covered_navel covered_nipples double_bun dress grey_eyes grey_jacket hair_bun hair_ornament halterneck highres jacket kisaki_(blue_archive) long_hair looking_at_viewer lying narrowed_eyes on_back pinstripe_jacket pinstripe_pattern side_slit solo somray striped thighs twintails very_long_hair