6+boys 6+girls absolutely_everyone absurdres aircraft animal animal_on_head back_peek banner bare_shoulders belt belt_pouch bird bird_on_head black_hair black_shoes blonde_hair blue_skirt blue_sky blue_socks bow breast_pocket brown_eyes brown_hair charm_(object) chasing checkered_pouch chest_bow chuo_tanegashima_high_school_uniform clothes_lift

6+boys 6+girls absolutely_everyone aircraft animal animal_on_head back_peek banner bare_shoulders belt belt_pouch bird bird_on_head black_hair black_shoes blonde_hair blue_skirt blue_sky blue_socks bow breast_pocket brown_eyes brown_hair charm_(object) chasing checkered_pouch chest_bow chuo_tanegashima_high_school_uniform clothes_lift cloud

6+boys 6+girls absurdres altair_(star) character_request check_character child cloud dougi everyone fujita_tetsuharu fukuda_tomonori game_cg hidaka_hiromu highres karate_gi multiple_boys multiple_girls nagafukada_sumio non-web_source official_art outdoors robotics;notes scenery science_adventure sky star_(sky) starry_sky sunset usui_kaoruko

>:( 1boy absurdres adam's_apple black_hair character_name child closed_mouth collarbone crossed_arms dark-skinned_male dark_skin fingernails fukuda_tomonori full_body game_cg gradient_clothes gradient_jacket hawaiian_shirt hidaka_hiromu highres jacket male_focus mature_male non-web_source official_art open_clothes open_jacket robotics;notes science_adventure

>:( 1boy adam's_apple black_hair child closed_mouth collarbone crossed_arms dark-skinned_male dark_skin fingernails fukuda_tomonori full_body game_cg gradient_clothes gradient_jacket hawaiian_shirt hidaka_hiromu jacket male_focus mature_male official_art open_clothes open_jacket robotics;notes science_adventure shirt short_hair short_sleeves simple_background

1boy absurdres angry closed_eyes frown fukuda_tomonori greyscale hidaka_hiromu highres looking_at_viewer looking_down male_focus mature_male monochrome multiple_expressions multiple_views non-web_source official_art prototype_design robotics;notes sad science_adventure short_hair sketch sketchbook smile tearing_up wrinkled_skin

4boys aqua_shirt baseball_cap black_hair black_shirt blue_overalls boat casual clenched_hand dark-skinned_male dark_skin fainted fishing_net fukuda_tomonori game_cg glasses hand_up hashida_itaru hat hidaka_hiromu hidaka_subaru highres light_particles male_focus mature_male multiple_boys non-web_source ocean official_art opaque_glasses

3boys adam's_apple aqua_shirt baseball_cap black_hair blurry blurry_background casual closed_eyes closed_mouth cloud day fukuda_tomonori game_cg glasses grey_eyes hashida_itaru hat hawaiian_shirt hidaka_hiromu highres looking_at_viewer mature_male multiple_boys official_art open_mouth orange_shirt outdoors red_eyes red_hair

3boys adam's_apple aqua_shirt baseball_cap black_hair blurry blurry_background casual closed_mouth cloud day fukuda_tomonori game_cg glasses grey_eyes hashida_itaru hat hawaiian_shirt hidaka_hiromu highres looking_at_viewer mature_male multiple_boys official_art open_mouth orange_shirt outdoors red_eyes red_hair robotics;notes

2boys adam's_apple black_hair blue-framed_eyewear collarbone costume dark-skinned_male dark_skin father_and_child father_and_son fukuda_tomonori game_cg glasses gradient_clothes gradient_jacket hawaiian_shirt hidaka_hiromu hidaka_subaru hidaka_subaru_(mr._pleiades) highres indoors jacket male_focus mature_male multiple_boys muscular muscular_male official_art open_clothes open_jacket

2boys aged_down black_hair blue-framed_eyewear blue_jacket child dark-skinned_male dark_skin father_and_child father_and_son fukuda_tomonori game_cg glasses hawaiian_shirt hidaka_hiromu hidaka_subaru highres indoors jacket male_focus mature_male multiple_boys official_art open_clothes open_jacket open_mouth parent_and_child robotics;notes robotics;notes_dash science_adventure

2boys adam's_apple aged_down black_hair blue-framed_eyewear blue_shirt blunt_bangs blurry blurry_background child collarbone dark-skinned_male dark_skin father_and_child father_and_son fingernails fukuda_tomonori game_cg glasses hands_up hawaiian_shirt headpat hidaka_hiromu hidaka_subaru highres indoors jacket mature_male multiple_boys official_art