age_regression artist:hamachiki blue_hair character:chihiro_(blue_archive) character:noa_(blue_archive) character:yuuka_(blue_archive) glasses green_eyes hair_accessories halo in-series_category:millenium_science_school in-series_category:seminar in-series_category:veritas japanese_text long_hair mechanical_halo ponytail purple_hair series:blue_archive white_hair

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