Hikami Kyoko events (1998)
Some of the events that Kyoko has appeared in during the year 1998 are as follows.
| 1998.02.01 | With You event at Animate Yokohama |
| 1998.02.19 | Parler Chiffons III |
| 1998.03.01 | Chiffons handshake session |
| 1998.03.22 | Tokyo Game Show Spring 1998 |
| 1998.05.02 | Parler Chiffons IV |
| 1998.08.22 | Parler Chiffons V |
| 1998.10.11 | Tokyo Game Show Autumn 1998 |
| 1998.10.18 | Chiffons Second Single event in Animate Abeno |
| 1998.11.23 | Hysteric Noise signing session in Animate Shibuya |
| 1998.12.13 | Chiffons signing session in Animate Shizuoka |
| 1998.12.13 | Chiffons signing session in Animate Yokohama |
| 1998.12.19 | Chiffons signing session in Animate Hachiouji |
| 1998.12.19 | Chiffons signing session in Animate Machida |
| 1998.12.20 | Chiffons signing session in Animate Ikebukuro |
| 1998.12.20 | Chiffons signing session in Animate Kawagoe |