1boy, 2girls, a.i._voice, blue_hair, blunt_bangs, brown_hair, fun_bo, green_eyes, green_sweater, kotonoha_akane, kotonoha_aoi, kurita_maron, light_blue_hair, long_hair, long_sleeves, looking_at_viewer, multiple_girls, niconico, open_mouth, otoko_no_ko, pink_hair, red_eyes, sheeeh!, siblings, sisters, smile, sweater, the_end_(phrase), thick_eyebrows, voiceroid, wavy_hair, yellow_headwear