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220703 Kep1er Hikaru 'Up!' at Inkigayo

Ezaki Hikaru (Kep1er): Profile, Age, Height, Weight, Facts

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220108 Kep1er Twitter Update - Hikaru Music Core Selfie (Main Character of Today's Message) : r/kep1er

220123 Kep1er Twitter Update - Yujin, Xiaoting, Mashiro, Hikaru, Bahiyyih, Youngeun & Yeseo : r/kep1er

Hikaru Official Photocard kep1er 2nd Mini Album Doublast Genuine Kpop

Rising Stars XG on “Shooting Star,” Kep1er's Hikaru, and the Pressures of Stardom

230203 Hikaru - Kep1er Japan 2nd Single 'FLY-BY' (Concept Photo 2) : r/EzakiHikaru

XG Is Already Well Established, Hikaru Will Not Bring Something New” – Netizens Discuss Whether Adding Kep1er's Hikaru to XG Will Be a Good Move