Collection Card (Male) / CD 「 2 nd Mini Album : 0 + 1 = 1 (I Promise You) [Day Ver.] 」 Special Trecca Wanna One / Ong Seongwu (Ong Seong Wu) / Ura-Hanami / CD 「 2 nd Mini Album : 0 + 1 = 1 (I Promise You) [Day Ver.] 」 Special Trecca
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Japanese title: コレクションカード(男性)/CD「2nd Mini Album: 0+1=1 (I Promise You)【Day Ver.】」特典トレカ Wanna One/オン・ソンウ(Ong Seong Wu)/裏面白/CD「2nd Mini Album: 0+1=1 (I Promise You)【Day Ver.】」特典トレカ