Some of the events that Mariko has appeared in during the year 1997 are as follows.
|1997.03.16||db-FM Kaikyoku Kinen Konami All Star Festa '97|
|1997.03.22||Kouda Mariko video concert tour 97 in Tokyo|
|1997.03.23||Kouda Mariko video concert tour 97 in Tokyo|
|1997.04.20||Music Voice '97 Seiyuu POPS Festival|
|1997.05.28||Game Museum public recording|
|1997.07.26||Aozora de Aishiteru|
|1997.07.27||Aozora de Aishiteru|