2girls 6+boys :d :o >:( >:) age_difference ahoge akasata alessandro_giuseppe_antonio_anastasio_volta alexander_graham_bell alternate_color alternate_eye_color alternate_hair_color bangs bangs_pinned_back beard benjamin_franklin blue_eyes blush book breast_press brown_eyes brown_hair buttons collared_shirt copyright copyright_name english_text eyebrows eyelashes face facial_hair fingernails frown full_body glowing green_eyes grey_hair grin hair_between_eyes hairband hayase_mari heinrich_rudolf_hertz holding_hands interlocked_fingers jewelry light_brown_hair loafers long_hair looking_at_viewer michael_faraday mizuki_waka multiple_boys multiple_girls mustache neck_ribbon necklace nose nostrils open_book open_mouth orange_hair pendant pleated_skirt polka_dot projected_inset puffy_short_sleeves puffy_sleeves purple_eyes ribbon samuel_finley_breese_morse sanpaku school_uniform serious shirt shoes short_hair short_sleeves sideburns skirt smile suspender_skirt suspenders swept_bangs symmetrical_hand_pose symmetry tareme teeth thick_eyebrows thighhighs thomas_edison time_travel_shoujo:_mari_waka_to_8-nin_no_kagakusha-tachi tsurime v-shaped_eyebrows wavy_hair william_gilbert wrinkles yellow_eyes zettai_ryouiki
