1boy, 1girl, blonde_hair, bodysuit, brown_hair, child, child_on_child, closed_eyes, cyborg, dark-skinned_male, dark_skin, facial_mark, glasses, hand_on_another's_cheek, hand_on_another's_face, hand_on_another's_waist, heart, helmet, hetero, kiss, kissing_cheek, long_hair, made_in_abyss, mechanical_arms, nanase_(7se_1015), navel, open_mouth, regu_(made_in_abyss), riko_(made_in_abyss), simple_background, teeth, twintails, upper_teeth_only, whistle, white_background