Specified Commercial Transactions Act Disclosure

Last updated: March 10, 2026

SellerShohei Fukushima (Sole Proprietor)
Representative / ManagerShohei Fukushima
AddressWill be disclosed upon request without delay.
PhoneWill be disclosed upon request without delay.
Emailcontact@function-eight.com
URLhttps://function-eight.com

Pricing

PlanMonthly Fee (tax incl.)Description
FreeNo chargeBasic features with limitations
Academy$700.00 / /month
Lite (Month)$800.00 / /month1ヶ月ごと
Student(YEARLY)$1,000.00 / /year1年
Basic$1,500.00 / /month
Pro$2,800.00 / /month
  • All prices shown are inclusive of consumption tax.
  • For users outside Japan, the billed amount may vary due to exchange rate fluctuations.

Additional Costs Borne by the Customer

  • Internet connection fees and provider charges required to use the service are borne by the customer.

Payment Method

Credit card payments via Stripe

Accepted cards: Visa, Mastercard, American Express, JCB

Payment Timing

  • The first payment is processed upon subscribing to a paid plan.
  • Subsequent payments are automatically processed on each monthly renewal date.

Service Delivery

  • Free plan: Available immediately upon account registration.
  • Paid plans: Available immediately after payment is processed.

Contract Period

  • Paid plans are monthly auto-renewing subscriptions.
  • Plans are renewed automatically each month unless the user cancels.

Returns and Cancellations

Cancelling Your Subscription

  • Users may cancel their subscription at any time from the service settings.
  • Upon cancellation, service remains available until the end of the current billing period.
  • No prorated refunds are provided.

Refund Policy

  • Due to the nature of digital services, refunds are generally not provided after service delivery begins.
  • However, refunds may be granted in the following cases:
    • A critical service failure prevents continuous use of the service.
    • An erroneous charge was made due to our fault.
  • To request a refund, please contact us at contact@function-eight.com.

Free Trial

  • If a free trial period is offered, cancelling during the trial incurs no charge.
  • If you do not cancel before the trial ends, you will automatically be moved to a paid plan and charged.

System Requirements

Web ApplicationLatest versions of Google Chrome, Firefox, Safari, and Microsoft Edge
Internet ConnectionRequired (always-on connection needed)

Special Sales Conditions

  • This service is provided in Japanese and English.
  • Use of this service requires agreement to the Terms of Service and Privacy Policy.
  • This service is not available to persons under 16 years of age.

Enacted: March 10, 2026

Shohei Fukushima

Function Eight

https://function-eight.com