• Enter here

PRIZE 2026

• 1等

  

  Studio tour for songwriting

  The three members are working on creating a song.
  You are welcome to visit.

  Implementation date: Scheduled for November-December 2026
  Location: Studio in Tokyo
  *The implementation period may change. Details will be provided only to the winners.

  for 10 people

• 2等

  

  A gift from the members

  Asian souvenirs
  • Music set
  Apparel set
  1 person each

  for 3 people

• 3等

  

  Stadium Tour
  Different colored goods

  for 30 people

• 4等

  

  Bakunan Jumbo logo included
  Original towel

  for 100 people

• 5等

  

  Stadium tour live photos

  13 types in total (randomly selected)

ENTRY

• Implementation period

  • Lottery ticket acquisition period

    June 30, 2026 (Tue) 18:00 - August 31, 2026 (Mon) 23:59

  • Result confirmation period

    October 1, 2026 (Thu) 18:00 - October 31, 2026 (Sat) 23:59

• How to participate

  Three easy steps to participate!

  • step1

    Click the "Enter Here" button during the lottery ticket acquisition period.

  • step2

    All lottery tickets corresponding to the length of your membership will be displayed.

  • step3

    Now all that's left is to wait for the winner announcement!

• Number of lottery tickets issued

  • Silver Key (monthly subscription) - Membership for 3 months or more

    ... 1 lottery ticket

  • Gold Key (annual) - Membership period less than 1 year

    ... 1 lottery ticket

  • Gold Key (annual) Year 2

    ... 2 lottery ticket

  • Gold Key (annual) - Year 3

    ... 3 lottery ticket

  From now on, for every year you purchase a Gold Key (annual), you will receive one additional lottery ticket.
  (Example: Gold Key (annual fee) 10th year... 10 lottery tickets)

  • The month of enrollment will be referred to as "Silver Key (monthly) - 1st month" and "Gold Key (annual) - 1st year."
  • Please note that if you cancel your membership midway through, your subscription period will be interrupted.
  • Regarding "Silver Key (monthly) 3-month or longer membership," this is only available to those who registered for the 550 yen course when obtaining tickets; those on the Silver Key (monthly) 330 yen course are not eligible to participate.
    Those currently on the 330 yen course are requested to switch to the 550 yen course before purchasing tickets.
  • Those who have switched from the 330 yen course to the 550 yen course can obtain this if they have been continuously enrolled in their previous course for at least three months.
• Enter here
• New members can register here

• Precautions

  • This is an exclusive offer for one room members.
  • If you cancel your membership, we will not be able to ship your prize, so please do not cancel your membership and wait until your prize is shipped.
  • If you win a prize in the 2nd to 4th place category, we will ship it to the address registered with one room. We cannot ship to those who have not registered, so please be sure to register.
    ・Even if you are already registered, please re-register if your address has changed.
    You can register and edit your information via "View/Change Member Information" in MY PAGE.
  • Winners of the first prize, "Tour of the Songwriting Studio," will be contacted via the email address registered with one room regarding the date and time of the tour and confirmation of their participation.
    If your email address is not registered, we will not be able to contact you, so please be sure to register it in advance.
    Please note that if you are unable to attend due to unforeseen circumstances, we will not be able to arrange a make-up session.
  • If you win the first prize, you will be responsible for the cost of round-trip transportation to the venue, accommodation, meals, etc.
  • Please be aware that the item may be bent or soiled during shipping.
  • Prizes vary with each event.

ARCHIVE

• First session to be held in August 2025.