2boys, ahoge, alternate_costume, artist_name, bangs, black_hair, black_pants, blanket, closed_eyes, cup, eyebrows_visible_through_hair, hair_between_eyes, holding, holding_cup, hug, hug_from_behind, male_focus, medium_hair, multiple_boys, pants, purple_eyes, purple_hair, short_hair, simple_background, sitting, sweater, white_background