1boy, 1girl, 2koma, android, bathtub, blush, bubble, cable, comic, faceless, faceless_male, hair_ornament, hairclip, joints, looking_at_another, looking_back, nude, purple_eyes, purple_hair, robot_joints, same-sex_bathing, shared_bathing, short_hair_with_long_locks, smile, speech_bubble, voiceroid, water, wet, wet_clothes, yasuhara_roku, yuzuki_yukari