| date | event | seiyuu |
| 1998.01.06 | Buzz Vibits broadcast at Taito Station | Nakayama Manami, Okano Kousuke |
| 1998.01.15 | Radish Roxs talk and live | Toyoshima Machiko, Okada Kanako, Asada Yoko, Shibahara Chiyako |
| 1998.01.17 | Sentimental Graffiti New Year Happy Day | Okada Junko, Makishima Yuki, Konno Hiromi, Suzuki Urarako, Nishiguchi Yuka, Okamoto Asami |
| 1998.01.20 | Buzz Vibits broadcast at Taito Station | Nishiguchi Yuka, Makishima Yuki, Nakayama Manami |
| 1998.01.22 | Usagi Gumi handshake session | Okada Junko, Makishima Yuki, Konno Hiromi, Nishiguchi Yuka, Okamoto Asami |
| 1998.01.25 | Radish Roxs handshake session | Asada Yoko, Shibahara Chiyako |
| 1998.01.28-1998.02.01 | Jitterbug | Sakurai Tomo, Nagasaki Moe, Moriya Hisoka |
| 1998.02.03 | Buzz Vibits broadcast at Taito Station | Nakayama Manami |
| 1998.02.10 | Buzz Vibits broadcast at Taito Station | Nakayama Manami, Kikuchi Shouko, Sakurai Takahiro |
| 1998.02.11 | Valentine Aid | Sakurai Tomo, Nagasaki Moe, Moriya Hisoka, Hashimoto Asobi, Kobayashi Fuki |
| 1998.02.21 | Usagi Gumi to Asobou at Animate Ikebukuro | Okada Junko, Makishima Yuki, Okamoto Asami, Suzuki Urarako, Nishiguchi Yuka, Konno Hiromi |
| 1998.02.21 | Usagi Gumi to Asobou at Animate Shibuya | Okada Junko, Makishima Yuki, Okamoto Asami, Suzuki Urarako, Nishiguchi Yuka, Konno Hiromi |
| 1998.02.24 | Buzz Vibits broadcast at Taito Station | Nakayama Manami |
| 1998.03.01 | Sotsugyou III Hinamatsuri Concert | Nakayama Manami, Takahashi Chiaki, Furuyama Ayumi, Nehashi Mieko, Komatsu Rika, Shimakata Junko,... |
| 1998.03.03 | Buzz Vibits broadcast at Taito Station | Nakayama Manami, Ohtsuka Mizue, Komatsu Rika |
| 1998.03.20 | [13:00] Tokyo Game Show Spring 1998 Banpresto booth | Okada Junko, Suzuki Urarako, Nishiguchi Yuka, Konno Hiromi, Makishima Yuki, Okamoto Asami,... |
| 1998.03.20 | Tokyo Game Show Spring 1998 [business day] | Kingestu Mami, Takahashi Miki, Mieno Hitomi, Kuwashima Houko, Asada Yoko |
| 1998.03.21 | Machirin Mini Concert | Toyoshima Machiko |
| 1998.03.21 | Tokyo Game Show Spring 1998 | Okada Junko, Yonemoto Chizu, Suzuki Urarako, Maeda Ai, Oda Michiko, Nakayama Manami,... |
| 1998.03.22 | Tokyo Game Show Spring 1998 | Okada Junko, Okamoto Asami, Makishima Yuki, Toyoshima Machiko, Suzuki Mariko, Yonemoto Chizu,... |
| 1998.04.18 | Waseda Pure Pure Festival [second session] | Nakayama Manami, Takahashi Chiaki, Nehashi Mieko, Komatsu Rika, Furuyama Ayumi, Tokunaga Ai,... |
| 1998.04.22 | Shibuya de Chu recording | Miyamura Yuko, Iwata Mitsuo, Nakayama Manami, Furuyama Ayumi, Komatsu Rika, Nehashi Mieko,... |
| 1998.04.26 | Sentimental Cospa | Okada Junko, Nishiguchi Yuka, Suzuki Urarako, Okamoto Asami, Konno Hiromi, Makishima Yuki |
| 1998.05.02 | SG 12's Shop | Maeda Konomi, Okada Junko, Oda Michiko, Suzuki Mariko |
| 1998.05.03 | SG 12's Shop | Maeda Konomi, Makishima Yuki, Maeda Ai, Okamoto Asami |
| 1998.05.04 | SG 12's Shop | Maeda Konomi, Nishiguchi Yuka, Mannaka Yukiko, Konno Hiromi |
| 1998.05.05 | SG 12's Shop | Maeda Konomi, Suzuki Urarako, Toyoshima Machiko, Yonemoto Chizu |
| 1998.06.21 | Radio ROM Brunch vol 5 event | Toyoshima Machiko |
| 1998.07.01 | Shibuya de Chu recording | Miyamura Yuko, Hisakawa Aya, Inoue Kikuko, Omimura Mayuko, Mutou Sumi |
| 1998.07.20 | Hori Pro Idol Paradise | Ohmori Reiko |
| 1998.07.25 | Starting Legend '98 Summer Tour in Ohmiya | Shiina Hekiru |
| 1998.07.26 | Kirara Completion event in Suginami Koukaidou | Ohsawa Chiaki, Mitsuishi Kotono, Toyoshima Machiko, Kobayashi Yumiko, Itou Kentarou |
| 1998.08.15 | Sakurai Tomo handshake session in Akihabara | Sakurai Tomo |
| 1998.08.16 | Sentimental Graffiti concert in Nakano Sun Plaza | Suzuki Urarako, Yonemoto Chizu, Nishiguchi Yuka, Toyoshima Machiko, Mannaka Yukiko,... |
| 1998.08.21 | Iwao Junko concert in Osaka | Iwao Junko |
| 1998.08.22 | Parler Chiffons V | Hikami Kyoko, Masuda Yuki, Kojima Sachiko, Inoue Kikuko |
| 1998.08.23 | 2nd Ani Raji Festival | Yoshida Konami, Araki Kae, Toyoshima Machiko, Natsuki Rio, Koorogi Satomi, Kanai Mika,... |
| 1998.08.30 | Radish Rox signing session in Animate Shibuya | Toyoshima Machiko, Okada Kanako, Yoshida Tomomi |
| 1998.09.09 | Starting Legend '98 Summer Tour in Osaka | Shiina Hekiru |
| 1998.09.19 | Machiko ga Irukara | Toyoshima Machiko |
| 1998.09.19 | Starting Legend '98 Summer Tour in Okinawa [fan club only] | Shiina Hekiru |
| 1998.10.09 | Tokyo Game Show Autumn 1998 [business day] | Ogawa Yuuichirou, Kinoshita Naoki, Ohtani Miki, Arishima Moyu, Yamamoto Nami, Iwasaki Youko,... |
| 1998.10.10 | Tokyo Game Show Autumn 1998 | Kuwashima Houko, Toyoshima Machiko, Takahashi Mikiko, Nagano Ai, Kawakami Tomoko, Natsuki Rio,... |
| 1998.10.11 | Tokyo Game Show Autumn 1998 | Toyoshima Machiko, Kuwashima Houko, Takahashi Mikako, Nagano Ai, Kawakami Tomoko, Natsuki Rio,... |
| 1998.11.08 | Shiina Hekiru talk live in Hiroshima | Shiina Hekiru |
| 1998.11.21 | X'Machirin at Sunshine City | Toyoshima Machiko |
| 1998.12.20 | Sentimental Thank You | Suzuki Urarako, Nishiguchi Yuka, Konno Hiromi, Okamoto Asami, Makishima Yuki |
| 1998.12.25-1998.12.27 | Christmas Fantasy Live 1998 | Sakurai Tomo, Minamino Sono, Ohmori Ayano, Takenaka Shinichi |
| 1998.12.29 | Anime Kouhaku Utagassen | Iwao Junko, Kuwashima Houko, Sakurai Tomo, Matsumoto Rica, Matsuzawa Yumi, Ogata Megumi,... |