S/mileage Yumemiru 15 sai - Debut Event
スマイレージ 夢見る15歳 Debut Event
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Is S/mileage's debut major single. It was released on May 26, 2010 in limited A, limited B, and regular editions. Both limited editions coming with bonus DVDs. The limited editions and the first press of the regular edition come with a serial number card which, when entered in a lottery, could win a ticket to one of the single's release events.
