Today i will make a list of all the events which haven't come to the EN server yet and their gift songs/vs live songs and the characters which are boosted.

I hope this is useful!

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Backstage Methods

Attribute Boost: Power

Character Boost:

Event Type: Live Goals

Gift Song: None

Gacha: Applause! Curtain Call Gacha

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The Afterglow of Our Fading Pride

Attribute Boost: Happy

Character boost:

Type of Event: VS Live

VS Live Song: PASSIONATE ANTHEM by Roselia

Gacha: Clash x Time Gacha

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Earnest Song for Me

Attribute Boost: Pure

Character Boost:

Event Type: Mission Live

Gift Song: Home Street by Poppin' Party

Gacha: Cheering Ensemble Gacha

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A Nostalgic Christmas

Attribute boost: Cool

Character boost:

Type of event: VS Live

Gift song: Rambling Memory by Afterglow

Gacha: Nostalgic Snow Dome Gacha (LIMITED)

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Winter Sky Marching

Attribute Boost: Happy

Character Boost:

Event Type: Challenge live

Challenge Live Songs: Extra Magic Hour by Hello Happy World!, Sugar Song and Bitter Step by Hello Happy World and That Is How I Roll! By Afterglow

Gacha: Coming Up Groovy Gacha

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Twin Star Ensemble

Attribute Boost: Pure

Character Boost: Won't let me put the chibis so I'll just say the names: Tsugumi, Kokoro, Sayo, Hina and Lisa

Event Type: Live Goals event

Event Song: None

Gacha: Stardust Horoscope Gacha

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We're All Together! New Years Party!!

Attribute Boost: Power

Character Boost: Kokoro, Aya, Kasumi, Misaki and Ako

Event Song: VS Live

VS Live Song: Wake Up! By Poppin' Party

Gacha: Newly Sparkling Sunshine Gacha

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My Ideal Self

Attribute boost: Pure

Character boost: Aya, Hina, Maya, Chisato and Eve

Event Type: VS Live

Gift Song: GyuuDAYS♪ by Pastel*Palettes

Gacha: Awaking Idol Gacha

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A Fleeting Night's Dream

Attribute Boost: Cool

Character Boost: Misaki/Michelle, Kokoro, Kaoru, Hagumi and Kanon

Event Type: Mission Live

Gift Song: Hareyaka Sukoyaka Pikarinrin♪ By Hello Happy World

Gacha: Sleeping Blue Sheep Gacha

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Who's the Chocolate For?

Attribute Boost: Pure

Character Boost: Saya, Himari, Rinko, Kanon and Aya

Event Type: VS Live

VS Live Song: Rashia by Afterglow

Gacha: The Sparkle of Friendship is Chocolate-Colored Gacha (LIMITED)

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A Day Off in the Shopping District

Attribute Boost: Happy

Character Boost: Saya, Tomoe, Tsugumi, Ako and Hagumi

Event Type: Challenge Live

Challenge Live Songs: Otomodachi Film by Poppin' Party, STAR BEAT! ~ Hoshi no Kodou ~ by Poppin' Party and Butter-Fly by Afterglow

Gacha: Shopping District's Local Girls Gacha

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Prelude's Replay

Attribute Boost: Pure

Character Boost: Rinko, Yukina, Sayo, Ako and Lisa

Event Type: Live Goals

Gift Song: Ringing Bloom by Roselia

Gacha: Encore Performance Gacha

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The Whitest Day

Attribute Boost: Cool

Character Boost: Tae, Tsugumi, Chisato, Ako and Kokoro

Event Type: VS Live event

VS Live Song: Baby Sweet Berry Love by Pastel* Palettes

Gacha: White x White = Joyful! Gacha (LIMITED)

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Message for You

Attribute Boost: Happy

Character Boost: Kasumi, Saya, Arisa, Rimi and tae

Event type: Live Goals event

Gift Song: Sakura Memories by Poppin' Party

Gacha: The Time of Sakura, Our Miracle Gacha

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Backstage Pass 2

Attribute Boost: Powerful

Character Boost: Tae, Kaoru, Moca, Hina and Sayo

Event Type: Mission Live

Gift Song: none

Gacha: Girls Band Life! 2 Gacha (LIMITED)

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FULL BLOOMING Shower!

Attribute Boost: Cool

Character Boost: Ran, Kanon, Aya, Maya and Lisa

Event Type: VS Live

VS Live Song: StaRt by Hello Happy World!

Gacha: SAKURA SPLASH Gacha

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That Corner of the Blooming Schoolhouse

Attribute Boost: Happy

Character Boost: Arisa, Kanon, Rinko, Misaki and Sayo

Event Type: Live Goals

Event Song: None

Gacha: Excellent Choice Gacha

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Turning Season, the Sky of Beginnings

Attribute Boost: Power

Character Boost: Ran, Moca, Tsugumi, Himari and Tomoe

Event Type: Challenge live

Gift Song: Itsumo dori no Brand new days by Afterglow

Challenge Live Songs: Itsumo dori no Brand new days by Afterglow, Scarlet Sky by Afterglow and Pride Kakumei (Pride Revolution) By Afterglow

Gacha: Next Grade Spring Sky Gacha

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Mole Man☆Delivery Strategy

Attribute boost: Pure

Character Boost: Aya, Hina, Chisato, Maya and Eve

Event Type: VS Live event

VS Live Song: Wakuwaku meets Trip by Pastel*Palettes

Gacha: Science Fiction Steam Idol Gacha

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Piercing the Darkness, A Blue Rose's Pride

Attribute Boost: Cool

Character Boost: Ako, Rinko, Tomoe, Moca and Ran

Event Type: Challenge Live

Challenge Live Songs: Goya no Machiawase by Afterglow, ONENESS by Roselia and Charles by Roselia

Gacha: Absolute Darkness Gacha

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Move Out! Smile Patrol Squad!

Attribute Boost: Happy

Character Boost: Kokoro, Kaoru, Kanon, Misaki/Michelle and Hagumi

Event Type: Mission Live

Gift Song: Nico x Nico = Hyper Smile Power! by Hello Happy World!

Gacha: On the Scene! Smile Police Gacha

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Flowery June Bride

Attribute Boost: Power

Character Boost: Ran, Tsugumi, Eve, Kasumi and Arisa

Event Type: VS Live

VS Live Song: Harumodoki by Pastel*Palettes

Gacha: Dancing within a Flowery Dream Wedding Gacha (LIMITED)

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Noble Rose -Take the Flower-

Attribute Boost: Pure

Character Boost: Yukina, Lisa, Ako, Sayo and Rinko

Event type: Challenge Live

Challenge Live Songs: Yakusoku By Roselia, Hidamari Rhodonite (Sunkissed Rhodonite) by Roselia and Roku-chou Nen to Ichiya Monogatari (Six Trillion Years and Overnight Story) by Roselia

Gacha: Sound of a Promise turned Red Gacha

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Band Girls of the Dead

Attribute boost: Pure

Character boost: Miski, Rimi, Kasumi, Kokoro and Aya

Type of event: Live Goals event

Event Song: None

Gacha: SOS! Girls Panic Gacha

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How To Spend a Precious Day

Attribute Boost: Cool

Character Boost: Arisa, Kasumi, Saya, Rimi and Tae

Event Type: VS Live

VS Live Song: Anniversary by Poppin' Party

Gacha: Blessed FIVE COLOURS Gacha

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Hopeful Session

Attribute Boost: Power

Character Boost: Maya, Yukina, Tsugumi, Kasumi and Rimi

Event Type: Challenge Live

Challenge Live songs: SURVIVOR Never Give Up! by PastelPalettes and Kimagure Romantic by PastelPalettes

Gacha: Marching Girls Gacha

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STAND BY YOU!

Attribute Boost: Cool

Character Boost: Ran, Moca, Tsugumi, Himari and Tomoe

Event Type: Mission Live

Gift Song: Easy Come, Easy Go! By Afterglow

Gacha: Dreaming Sweet Princess Gacha

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Just Our Summer Vacation

Attribute Boost: Happy

Character boost: Chisato, Aya, Eve, Maya and Hina

Event Type: VS Live

VS Live Song: Attsu Attsu Tokonatsu Love☆Summer by Pastel*Palettes

Gacha: Sparkle! Seaside Flower Gacha

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Summer, Slow Summer

Attribute Boost: Powerful

Character Boost: Rimi, Saya, Tomoe, Kaoru and Eve

Event Type: Challenge Live

Challenge Live Song: Egao no Orchestra (Orchestra of Smiles) by Hello Happy World!, Tenka Toitsu A to Z (Unite! A to Z) by Pastel*Palettes and Setsunai Sandglass by Poppin'Party

Gacha: Refreshing Summer Breeze Gacha

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A Summer Evening, Flowers Adrift the Water's Surface

Attribute Boost: Pure

Character Boost:Kokoro, Kaoru, Hagumi, Misaki and Kanon

Event Type: Live Goals Event

Gift Song: Smile Bouquet de Ta~ maya ~! by Hello Happy World!

Event Gacha: Rainbow Tone Night Decorations Gacha (LIMITED)

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Noble Rose -The Guide of Darkness-

Attribute Boost: Power

Character Boost: Yukina, Rinko, Ako, Lisa and Sayo

Event Type: VS Live

VS Live Song: "UNIONS" Road by Roselia

Event Gacha: Violet Eternity Gacha

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Boppin'♪' in the hallway

Attribute Boost: Cool

Character Boost: Himari, Tsugumi, Kaoru, Hina and Maya

Event Type: Challenge Live

Event Song: Asu no Yozora Shoukaihan by Afterglow, Wonderland Girl by Pastel*Palettes, Ai no Scenario by Afterglow and Double Rainbow (FULL VERSION) by Poppin'Party

Event Gacha: The Emanating Wisdoms of School Life Gacha

Dreams, Reality and 100 Poems

Attribute Boost: Pure

Character Boost: Aya, Chisato, Hagumi, Kanon and Sayo

Event type: Mission Live

Song: Fatima by Roselia

Event Gacha: Charmed Karuta Gacha

All information came from these sources https://bandori.fandom.com/wiki/BanG_Dream!_Wikia

https://bandori.party/events/

https://bestdori.com/