As pop star misdemeanours go, Minami Minegishi's was tame in the extreme – breaking her group's strict dating ban to spend a night with her boyfriend. Yet hours after a magazine published photographs of her leaving his home last month, Minegishi, a member of the wildly popular girl band AKB48, went on to YouTube to issue a tearful apology. "As a senior member of the group, it is my responsibility
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