Plot Summary:Hero was a high schooler living an ordinary life. One day, he meets a very strong and intelligent mechanical arm named \"Mecha-ude\". After a strange turn of events, the \"Mecha-ude\" started living inside Hero's hoodie and the two's life full of trouble begins. As the boy and his \"Mecha-ude\" fights together and strengthen their bonds, the two also meets new friends who also fights along with each of their own unique \"Mecha-ude\" partners. Out of those, one of the heroine has two \"Mecha-ude\" which appears out of her skirt. An active girl with a totally opposite characteristics from hero himself, he gradually becomes attracted to her. But the two are confronted with other \"Mecha-ude\" users who are in search of the secret of \"Mecha-ude\" relentlessly.
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