yui ko, blue oak, green (pokemon), nintendo, pokemon, pokemon adventures, pokemon firered and leafgreen, pokemon red/green/blue/yellow, 00s, 1990s (style), 1boy, 1girl, alternate costume, averting eyes, blue eyes, brown hair, cowboy shot, green eyes, hand on another's head, hand on own hip, hand to own mouth, hat, jewelry, long hair, looking to the side, miniskirt, necklace, red background, retro artstyle, simple background, skirt, tears, v-neck, white hat