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・2025/08/08 Event: "Summer Sweet Potato Expo 2025" @ Makuhari Messe

・2025/07/31 Media: "National Band Encyclopedia" vol.21: FY2025 Second Half Edition: Event Listing

・2025/03/09 Event: Omiya Hokoten Live Performance 9th Anniversary

・2025/03/07 Media: Yahoo! News Publication: "Omiya Hokoten Live Performance 9th Anniversary 80th Anniversary"

・2025/03/01 CSR: Japan Endorse, participate, and approve the project "ACTION!

・2025/02/20 Event: Sweet Potato Expo 2024 @さいたまスーパーアリーナけやき広場

・2025/01/31 Media: "National Band Encyclopedia" vol.20: FY2025 First Half Edition: Event Publication

・2025/01/05 Topics: EMS 9th Anniversary

・2024/11/01 Event: "Super Potato Festival" @等々力緑地 Event Plaza

・2024/07/31 Media: "National Band Encyclopedia" vol.19: FY2024 Second Half Edition: Event Publication

・2024/03/10 Event: Omiya Hokoten Live Performance 8th Anniversary

・2024/03/01 CSR: Japan Endorse, participate, and certify the Red Cross Society's project "ACTION!

・2024/02/23 Event: "Sweet Potato Expo 2024" @さいたまスーパーアリーナけやき広場

・2024/01/31 Media: "National Band Encyclopedia" vol.18: First Half of FY2024 : Event Publication

・2024/01/05 Topics: EMS 8th Anniversary

・2023/03/12 Event: Omiya Hokoten Live Performance 7th Anniversary

・2023/03/01 CSR: Japan Endorse, participate, and certify the project "ACTION!

・2023/02/23 Event: Sweet Potato Expo 2023 @さいたまスーパーアリーナけやき広場

・2023/01/31 Media: "National Band Encyclopedia" vol.16: 2023 First Half Edition : Event Publication

・2023/01/05 Topics:EMS 7th Anniversary

・2022/12/02 Media: Yahoo! News: "Omiya Hokoten Live Performance Suspended Due to Corona Disaster, Held for the First Time in 2 Years and 8 Months"

・2022/11/13 Event: "Omiya Hokoten Live Performance" is back for the first time in 2 years and 8 months

・2022/07/31 Media: "National Band Encyclopedia" vol.15: 2022 Second Half Edition: Event Publication

・2022/03/01 CSR Japan:Endorsed, participated, and certified in the project "ACTION!

・2022/01/31 Media: "National Band Encyclopedia" vol.14: First Half of 2022 : Event

・2022/01/05 Topics:EMS 6th Anniversary

・2021/07/31 Media: "National Band Encyclopedia" vol.13: Second half of 2021 : Event

・2021/03/01 CSR Japan: Endorsed, participated, and certified in the project "ACTION!

・2021/03/06 Event:Kawasaki Street Music Battle 10 FINAL

・2021/01/31 Media: "National Band Encyclopedia" vol.12: First half of 2021 : Event

・2021/01/05 Topics:EMS 5th Anniversary

・2020/07/31 Media:National Band Encyclopedia Second half of 2020: Event

・2020/03/06 Media: Yahoo! News "3/8 Omiya Hokoten Live Performance @ 4th Anniversary Live Streaming without Audience"

・2020/03/01 CS Japan R:Supporting and participating in the project "ACTION!

・2020/02/28 CSR: Certified as a supporter of the Japan Red Cross Society's "ACTION!

・2020/02/21 Event: "Sweet Potato Hiroshi" Saitama Super Arena "Omiya Hokoten Live Performance @ Keyaki Hiroba"

・2020/01/31 Media:National Band Encyclopedia First Half of 2020: Event

・ 2019/10/27 Event: "Marumaru Higashi Nihon Live Performance" at Omiya Halloween Festival, the largest in the northern Kanto region

・2019/07/31 Media:National Band Encyclopedia Second half of 2019: Event

・ 2019/07/20 Media: Yahoo! News publishing “Marumaru Higashi Nihon Live Performance”

・ 2019/05/27 Event / CSR: New Free Live Event “Marumaru Higashi Nihon Live Performance” Executive Committee established

· 2019/03/08 Media: Yahoo! Newly posted "Omiya Hokko Heaven Live Performance" is 3rd anniversary

· 2019/03/01 CSR: "We will not forget." - Disaster prevention and reduction project leading to the future - Project participation by the Japanese Red Cross Society

・2019/02/28 CSR: Certified as a project partner of the Japan Red Cross Society (2nd consecutive year)

・2019/01/30 Media:National Band Encyclopedia First Half of 2019: Event

・2019/01/20 Event:Alpha Club Musashino Co., Ltd. Event Collaboration

・2018/11/17 Event: MEGA Don Quijote (Don Quijote Group GMS) event started

・2018/08/30 CSR: "311 Reconstruction Piano Project" web page released

・2018/08/10 Media:Yahoo! News Omiya Hokoten Live Performance

・2018/07/30 Media:National Band Encyclopedia Second half of 2018: Event

・2018/05/22 Media: Yahoo! News "From A" Omiya Ginza Street Clothing Store Sells T-shirts to Support Local Artists

・2018/05/12 Info:EU General Data Protection Regulation (GDPR) Compliance to be adopted from May 25

· 2018/04/15 Event: Launch performance in the metropolitan area free live event "Street life performance"

· 2018/03/10 Media: Yahoo! Newspaper "Omiya Hoko Tianyu Live Performance" celebrates 2nd anniversary cherry line 311 support song Yu Noba

· 2018/03/01 CSR: "We will not forget." - Disaster prevention and reduction project leading to the future - Project participation by the Japanese Red Cross Society

· 2018/02/28 CSR: Japan Red Cross Society Project Partner "Entry Company" Certification

・2018/02/08 Event / CSR: KSMB (Kawasaki Street Music Battle)

· 2018/02/01 Event: Live event · network started

・2018/01/30 Media:National Band Encyclopedia First Half of 2018: Event

· 2018/01/26 CSR: Sakura Line 311 cooperation started

· 2017/11/25 Media: Yahoo! News posted Omiya Higashiguchi calls for blood donation

・2017/11/07 Media: Yahoo! News "From A" is both A-side singles

・2017/10/29 Event: Halloween Event @ Northern Heart Collaboration

・2017/07/07 Media: Yahoo! News "Omiya Hokoten Live Performance"

・2017/06/29 Media:National Band Encyclopedia : Event

・2017/06/09 Media: Yahoo! News Collaboration with Red Cross Blood Center on World Blood Donor Day

・2017/05/27 Event: JR East Japan and Saitama City Event Collaboration

・2017/05/15 CSR:Japan Red Cross Society Blood Donation Organization Certification, Blood Donation Supporter Certification

· 2017/04/14 Product: Start of original goods production (T-shirt / Tote back / pick)

· 2017/03/23 Product: Soundproof business started KOTOBUKI business tie-up

· 2017/03/10 Media: Yahoo! News Release "Omiya Hoko Cheon Live Performance" 1st anniversary held at Mon 1

・2017/02/17 Media:National Band Encyclopedia : Event

· 2017/01/31 CSR: Blood donation activity started

・2017/01/08 Event: AEON Lake Town (one of the largest shopping malls in Japan)

· 2016/12/15 Event: GUITAR ART JAM × ROCK INN Shinjuku started

・2016/11/07 Event:GUITAR ART JAM@Shimokitazawa(~2016/11/13)

・2016/10/30 Event: Halloween Event @ Northern Heart Collaboration

· 2016/10/25 Product: Introduced Augmented Reality (AR)

· 2016/10/08 Event: Starting collaboration with Tokyo Metropolitan area, music event organization

· 2016/10/04 Product: Planning / selling of guitar brand "Guitar Crazy" (Bto B)

· 2016/08/02 Event: Eating and drinking collaboration · Event start

· 2016/07/24 Event: Outdoor live event planning / operation start

· 2016/05/28 Event: JR East · Saitama City hosted event collaboration · Live order receipt

・2016/04/23 Event: In-store live at shopping malls (AEON MALL, Mitsui Fudosan, etc.)

· 2016/03/13 Event: "Omiya Hoko Cheon Live Performance" started

· 2016/01/12 DesignWorks: Web production Production of print orders started (Bto B, B to C)

・2016/01/05 【EMS】ExcelsiorMusicStore EMS: Excelsior Music Store founded