koharu and wavecat (blue archive) drawn by kaorun_(momiji_hourensou)

1girl alternate_costume bare_shoulders barefoot black_choker black_wings blue_archive blurry blurry_background blush book camisole casual choker commentary curtains day eyes_visible_through_hair feathered_wings foreshortening hair_between_eyes hair_over_shoulder halo head_wings highres holding holding_book indoors kaorun_(momiji_hourensou) knees_out_of_frame koharu_(blue_archive) leg_up long_hair low_wings lying missing_headwear nose_blush on_stomach open_mouth photo_(object) pink_eyes pink_hair reading red_halo solo stuffed_animal stuffed_cat stuffed_toy the_pose twintails v-shaped_eyebrows wavecat_(blue_archive) wavy_mouth white_camisole window winged_halo wings