400yen_plan（月額400円のプラン）の中身詳細
"400yen_plan" plans and above exclusive(s) Monthly Cost：400 yen
By subscribing to this plan, you will receive the plan's exclusive perks, and be able to view this month's exclusive perks.
After unsubscribing from a paid plan,
you will be unable
to access some perks.
Monthly Cost: 400 yen