The following fees will be charged for each postpaid top up.
| postpaid top up amount | fee |
| 3,000 - 4,000 円 | 300 円 |
| 5,000 - 7,000 円 | 500 円 |
| 8,000 - 10,000 円 | 700 円 |
| 11,000 - 20,000 円 | 900 円 |
| 21,000 - 30,000 円 | 1,100 円 |
Please note that the fee is not included in the top up balance.