Announcement of appearance at the special seminar "Ideal Seminar / Prologue session"

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Information regarding the special event on the day of "CiON's Love Call TOUR 2025 Guest: Phantom Siita"

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Pococha presents HBC Idol Festival 2026 Super Cute Idol Winter!

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＜Ado DOME TOUR 2025 "Yodaka"＞ Notice and apology regarding change in performance time of opening act Phantom Siita

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Ado DOME TOUR 2025 "Yodaka" (Tokyo Dome, Kyocera Dome Osaka) Performance times and important notices/prohibited items for the opening act, Phantom Siita

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Details of the release event for "怪忌蝶（Kaikicho）Photo Collection Maze EP.0" have been announced!

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They will appear as the opening act for Ado DOME TOUR 2025 "Yodaka"!

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ファントムシータ公式アプリをリリースいたしました！

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The new song "Bot Bakka" will be released on Tuesday, November 11th! It's the cutest song in Phantom Siita history!

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