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She is cream-colored and wears a red dress. She has pink hair tied in two pigtails.
She is very bright, but becomes very shy in the presence of Gotchi Boys. She is leaving the town, looking for love.
Her name comes from the Japanese word 歩く aruku which means "walk", combined with ko, a suffix used in Japanese girls' names. She is called this because the Deai Hakken!! Arukotch Tamagotchi she appears on has a walking theme.