Kouda Mariko events (1998)
Some of the events that Mariko has appeared in during the year 1998 are as follows.
| 1998.01.17 | Kouda Mariko concert |
| 1998.01.18 | Kouda Mariko concert |
| 1998.03.08 | Kouda Mariko mini-live and talk show at Tower Records |
| 1998.03.22 | Tokyo Game Show Spring 1998 |
| 1998.08.25 | Mariko Kouda Concert Tour 1998 in Saitama |
| 1998.09.05 | Mariko Kouda Concert Tour 1998 in Nakano Sun Plaza |
| 1998.09.06 | Mariko Kouda Concert Tour 1998 in Nakano Sun Plaza |
| 1998.09.09 | Mariko Kouda Concert Tour 1998 in Sendai |
| 1998.09.12 | Mariko Kouda Concert Tour 1998 in Fukuoka |
| 1998.09.19 | Mariko Kouda Concert Tour 1998 in Osaka |
| 1998.09.23 | Mariko Kouda Concert Tour 1998 in Shibuya |