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

news

Notification of enrollment benefits shipping (for those who enroll in the annual plan in September 2025)

Fan Club News

Phantom Siita first published work, "怪忌蝶（Kaikicho）Photo Collection (title undecided)," is set to be released! A release event is also planned!

news

Live broadcast to celebrate Heine's 1st anniversary has been decided!

Fan Club News

[Heine] Notice of changes to membership fees for members living overseas and system maintenance

Fan Club News

"GIGA•GIGA SONIC" timetable released!

news

The renewal benefit for the fan club "Heine" has been decided to be the "Heine Card"!

Fan Club News

Miu and Moka will appear at the "Ideal Seminar/Prologue session"!

news

Official merchandise for the 1st JAPAN TOUR "Flame Medusa" is now on sale!

news

Information on the "Kyururin♡Clinic ~No.3 Phantom Siita ~" special event

news