Some of the events that Maria has appeared in during the year 2003 are as follows.

2003 01.19	[11:00] Moe Chara Sai at Gamers Akihabara
2003 01.19	[14:00] Doki Doki Happy Theater 2 dai 3 kai
2003 03.16	[13:30] Doki Doki Happy Theater 2 5th
2003 03.21	Tokyo International Anime Fair 2003 "Gainax Booth"
2003 06.29	[12:00] Caramel Cafe DVD event in Animate Shibuya
2003 06.29	[16:30] Caramel Cafe DVD event in Asobit City
2003 07.27	[12:05] Hobby Expo 2003 Bunka Housou stage
2003 07.27	[16:10] Hobby Expo 2003 Bunka Housou stage
2003 08.30	[13:30] Rondo Robe Circus 2003 in Bunkyou Civic Hall
2003 10.05-2003.10.06	Gekiten Mystery Tour
2003 10.28	[18:30] Anime-TV public recording