1boy, 1girl, age_difference, animal_ears, blush, brown_hair, cat_ears, chest_jewel, closed_eyes, detached_sleeves, dress, facial_mark, grey_hair, heart, hetero, highena, hug, hug_from_behind, nia_(xenoblade), onee-shota, rex_(xenoblade), smile, time_paradox, whisker_markings, xenoblade_chronicles_(series), xenoblade_chronicles_2, xenoblade_chronicles_3