2026.12.2 RELEASE

THE IDOLM@STER SideM Mフェス 2026 in Winter Wonderland テーマソング 「Season's Greetings Party！」

歌：
W[蒼井悠介（CV.菊池勇成), 蒼井享介（CV.山谷祥生)]
神速一魂[紅井朱雀（CV.益山武明), 黒野玄武（CV.深町寿成)]
C.FIRST[天峰 秀（CV.伊瀬結陸）, 花園百々人（CV.宮﨑雅也）, 眉見鋭心（CV.大塚剛央）]
価格：2,750円(10%税込) / 2,500円(税抜)
品番：LACA-25317

Comment★★★★

『アイドルマスター SideM』の特別企画「Mフェス」から、初のテーマソングが発売決定！

＊初回生産特典
特製ブロマイド（全7種のうちランダム2種）を封入

Index★★★★

新曲＋ソロVer.＋Off Vocalを収録



CD

■Season's Greetings Party！

■魂環の人形(マリオネット)

■F＠NTASTIC BATTLE FES

■JUMBLED SOLO COLLECTION

■TRANSCENDENT T@LES

THE IDOLM@STER SideM TRANSCENDENT T@LES 12 THE IDOLM@STER SideM TRANSCENDENT T@LES 11 THE IDOLM@STER SideM TRANSCENDENT T@LES 10 THE IDOLM@STER SideM TRANSCENDENT T@LES 09 THE IDOLM@STER SideM TRANSCENDENT T@LES 08 THE IDOLM@STER SideM TRANSCENDENT T@LES 07 THE IDOLM@STER SideM TRANSCENDENT T@LES 06 THE IDOLM@STER SideM TRANSCENDENT T@LES 05 THE IDOLM@STER SideM TRANSCENDENT T@LES 04 THE IDOLM@STER SideM TRANSCENDENT T@LES 03 THE IDOLM@STER SideM TRANSCENDENT T@LES 02 THE IDOLM@STER SideM TRANSCENDENT T@LES 01

■～P@SSION CHALLENGE We are 315！～ MONTHLY THEME SONG

■10th ANNIVERSARY P@SSION SOLO COLLECTION

■アイ NEED YOU（FOR WONDERFUL STORY）

■10th ANNIVERSARY P@SSION

■CIRCLE OF DELIGHT SOLO COLLECTION

■9th STAGE THEME SONG

■天地四心伝

■CIRCLE OF DELIGHT

■8th STAGE THEME SONG

■F＠NTASTIC COMBINATION

S.E.M DRAMATIC STARS

■超常事変～対立スル正義～

■GROWING SIGN@L SOLO COLLECTION

THE IDOLM@STER SideM GROWING SIGN@L SOLO COLLECTION 03 THE IDOLM@STER SideM GROWING SIGN@L SOLO COLLECTION 02 THE IDOLM@STER SideM GROWING SIGN@L SOLO COLLECTION 01

■49 ELEMENTS

49 ELEMENTS -16 DRAMATIC STARS 49 ELEMENTS -15 彩 49 ELEMENTS -14 S.E.M 49 ELEMENTS -13 もふもふえん 49 ELEMENTS -12 神速一魂 49 ELEMENTS -11 Legenders 49 ELEMENTS -10 F-LAGS 49 ELEMENTS -09 FRAME 49 ELEMENTS -08 Café Parade 49 ELEMENTS -07 Altessimo 49 ELEMENTS -06 THE 虎牙道 49 ELEMENTS -05 Jupiter 49 ELEMENTS -04 W 49 ELEMENTS -03 Beit 49 ELEMENTS -02 C.FIRST 49 ELEMENTS -01 High×Joker

■PASSION@TE FORMATION

■緑陰のGymnasium

VOY@GER

■VOY@GER

VOY@GER

■GROWING SIGN@L

GROWING SIGN@L 18 GROWING SIGN@L 17 GROWING SIGN@L 16 GROWING SIGN@L 15 GROWING SIGN@L 14 GROWING SIGN@L 13 GROWING SIGN@L 12 GROWING SIGN@L 11 GROWING SIGN@L 10 GROWING SIGN@L 09 GROWING SIGN@L 08 GROWING SIGN@L 07 GROWING SIGN@L 06 GROWING SIGN@L 05 GROWING SIGN@L 04 GROWING SIGN@L 03 GROWING SIGN@L 02 GROWING SIGN@L 01 Growing Smiles！

■INSTRUMENTAL MUSIC COLLECTION

INSTRUMENTAL MUSIC COLLECTION 05 INSTRUMENTAL MUSIC COLLECTION 04 INSTRUMENTAL MUSIC COLLECTION 03 INSTRUMENTAL MUSIC COLLECTION 02 INSTRUMENTAL MUSIC COLLECTION 01

■なんどでも笑おう

ビーストクロニクル ～Risin’ Soul～

■ビーストクロニクル

ビーストクロニクル ～Risin’ Soul～

■NEW STAGE EPISODE

15 F-LAGS 14 彩 13 S.E.M 12 DRAMATIC STARS 11 FRAME 10 Legenders 09 W 08 High×Joker 07 Altessimo 06 神速一魂 05 Beit 04 Café Parade 03 Jupiter 02 THE 虎牙道 01 もふもふえん

■5th ANNIVERSARY SOLO COLLECTION

■UNIT COLLECTION

■5th ANNIVERSARY DISC

5th ANNIVERSARY DISC 06 Jupiter＆Beit＆THE 虎牙道 5th ANNIVERSARY DISC 05 Altessimo＆彩＆High×Joker 5th ANNIVERSARY DISC 04 FRAME&S.E.M&Legenders 5th ANNIVERSARY DISC 03 W＆Café Parade&もふもふえん 5th ANNIVERSARY DISC 02 DRAMATIC STARS＆神速一魂＆F-LAGS 5th ANNIVERSARY DISC 01 PRIDE STAR

■Best Game 2

■4th ANNIVERSARY DISC

■WakeMini! SOLO COLLECTION

THE IDOLM@STER SideM WakeMini! SOLO COLLECTION 03 INTELLIGENCE Ver. THE IDOLM@STER SideM WakeMini! SOLO COLLECTION 02 MENTAL Ver. THE IDOLM@STER SideM WakeMini! SOLO COLLECTION 01 PHYSICAL Ver.

■WakeMini! MUSIC COLLECTION

WakeMini! MUSIC COLLECTION 03 WakeMini! MUSIC COLLECTION 02 WakeMini! MUSIC COLLECTION 01

■WORLD TRE@SURE

WORLD TRE@SURE 13 WORLD TRE@SURE 12 WORLD TRE@SURE 11 WORLD TRE@SURE 10 WORLD TRE@SURE 09 WORLD TRE@SURE 08 WORLD TRE@SURE 07 WORLD TRE@SURE 06 WORLD TRE@SURE 05 WORLD TRE@SURE 04

■3rd ANNIVERSARY SOLO COLLECTION

■3rd ANNIVERSARY DISC

■ANIMATION PROJECT

■ORIGIN@L PIECES


■2nd ANNIVERSARY DISC

■Cybernetics Wars ZERO

■SOLO COLLECTION

■Beyond The Dream


■ST@RTING LINE

Digital

■配信楽曲

Blu-ray

■11th STAGE ～EVER EVER＠FTER～

■F@NTASTIC BATTLE FES

■10th ANNIVERSARY ST@GE ～P@SSION-ING!!!～

■10th ANNIVERSARY MEETING ～P@SSION UP!!!～

■9th STAGE ～MIR＠-CIRCLE CRESCENDO～

■F@NTASTIC COMBINATION LIVE

■8th STAGE ～ALL H@NDS TOGETHER～

■PASSHIONABLE READING SHOW

■7th STAGE ～GROW & GLOW～〜

■6thLIVE TOUR 〜NEXT DESTIN@TION!〜

■PRODUCER MEETING

PRODUCER MEETING 315 SP@RKLING TIME WITH ALL!!!

■4th STAGE 〜TRE@SURE GATE〜

■3rdLIVE TOUR ～GLORIOUS ST@GE!～

THE IDOLM@STER SideM 3rdLIVE TOUR ～GLORIOUS ST@GE!～ LIVE Blu-ray[Side SHIZUOKA] THE IDOLM@STER SideM 3rdLIVE TOUR ～GLORIOUS ST@GE!～ LIVE Blu-ray[Side FUKUOKA] THE IDOLM@STER SideM 3rdLIVE TOUR ～GLORIOUS ST@GE!～ LIVE Blu-ray[Side SENDAI] [Side MAKUHARI（通常版）] [Side MAKUHARI Complete Box（初回生産限定版）]

■GREETING TOUR 2017 〜BEYOND THE DREAM〜

■2nd STAGE 〜ORIGIN@L STARS〜

■1st STAGE 〜ST@RTING!〜