4girls 4others ahoge arm_support black_socks blue_eyes brown_hair closed_eyes closed_mouth crossed_bangs ta_ga_tame_no_alchemist feet_out_of_frame from_behind from_side gloves goggles goggles_on_head green_hair grey_hair hair_between_eyes helena_(phantom_of_the_kill) laevateinn_(phantom_of_the_kill) long_hair lying multiple_girls multiple_others no_shoes official_alternate_costume official_art on_back

1girl aqua_hair back bikini bikini_bottom_only blue_bikini blue_gloves closed_mouth from_behind full_body gloves hair_between_eyes hand_on_headwear helena_(phantom_of_the_kill) highres innertube jet_ski looking_at_viewer looking_back ocean official_alternate_costume official_art phantom_of_the_kill simple_background sitting smile swim_ring swimsuit transparent_background two-tone_innertube

1girl aqua_hair back bikini bikini_bottom_only blue_bikini blue_gloves closed_mouth commentary_request from_behind full_body gloves hair_between_eyes hand_on_headwear helena_(phantom_of_the_kill) innertube jet_ski looking_at_viewer looking_back ocean official_alternate_costume official_art outdoors phantom_of_the_kill second-party_source sitting smile swim_ring swimsuit two-tone_innertube

1girl ass ayappe_taicho floating full_body green_hair hair_between_eyes hair_ornament helena_(phantom_of_the_kill) licking_lips microskirt midriff official_alternate_costume official_art orange_eyes phantom_of_the_kill robot second-party_source skirt sleeves_past_fingers sleeves_past_wrists thighhighs thighs tongue tongue_out

1girl ;q alternate_costume aqua_hair ayappe_taicho closed_mouth copyright_name copyright_notice dress gloves hair_between_eyes helena_(phantom_of_the_kill) looking_at_viewer multicolored_hair off-shoulder_dress off_shoulder official_art one_eye_closed phantom_of_the_kill pink_gloves purple_dress purple_eyes second-party_source sitting solo streaked_hair tongue tongue_out

1girl bikini bikini_bottom_only black_bikini blue_gloves character_name reference_sheet closed_mouth commentary_request from_behind full_body gloves hair_between_eyes hand_on_headwear helena_(phantom_of_the_kill) jet_ski official_alternate_costume official_art phantom_of_the_kill rash_guard second-party_source simple_background sitting smile standing straight-on swimsuit visor_cap watercraft white_background

1girl bike_shorts black_boots black_gloves black_hair black_shorts boots bound box breasts candle chalice_(phantom_of_the_kill) character_doll christmas_tree cleavage closed_mouth commentary_request company_name doll earrings floating_hair flower full_body gift gift_box gloves gradient_hair hair_flower hair_ornament helena_(phantom_of_the_kill)

1girl :p ass ayappe_taicho breasts cropped_jacket floating full_body green_hair grey_thighhighs hair_between_eyes hair_ornament helena_(phantom_of_the_kill) highres invisible_chair licking_lips looking_at_viewer microskirt midriff multicolored_hair official_alternate_costume official_art orange_eyes phantom_of_the_kill purple_hair robot simple_background sitting skirt sleeves_past_fingers

1girl animal_ears bare_shoulders black_ribbon breasts character_name commentary_request fake_animal_ears green_hair hair_between_eyes hand_on_headwear happy_birthday hat helena_(phantom_of_the_kill) light_blush looking_at_viewer medium_breasts multicolored_hair official_alternate_costume official_art outdoors phantom_of_the_kill purple_hair purple_ribbon ribbon second-party_source shirt short_hair smile solo

animal_ears ayappe_taicho black_footwear blue_ribbon breasts cellphone chair closed_mouth cup detached_sleeves drinking_straw fake_animal_ears forest from_behind gloves green_hair green_skirt hair_over_eyes hat helena_(phantom_of_the_kill) highres holding holding_cup holding_phone lake leg_up looking_at_viewer mascot melon_soda nature

animal_ears ayappe_taicho black_footwear blue_ribbon breasts cellphone chair closed_mouth cup detached_sleeves drinking_straw fake_animal_ears forest gloves green_hair green_skirt hair_over_eyes hat helena_(phantom_of_the_kill) highres holding holding_cup holding_phone lake leg_up looking_at_viewer mascot melon_soda nature off_shoulder

4girls ;) @_@ ahoge alternate_costume blue_eyes brown_hair character_name closed_mouth commentary_request copyright_notice cosplay costume_switch dated g-row gambanteinn gloves green_eyes gungnir_(phantom_of_the_kill) hair_between_eyes happy_birthday helena_(phantom_of_the_kill) highres long_hair mole mole_under_eye multiple_girls no_socks official_art on_floor