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

2003 01.13	[14:00/18:00] Memories Off Second Concert in Yuuport
2003 03.21	Tokyo International Anime Fair 2003 "Sky Perfect TV Booth"
2003 06.08	Animage & Emotion Label presents Sakidori Emo Theater vol 1
2003 07.20	[13:00] Tokyo Character Show 2003 D.N.Angel Talk Show at Kadokawa
2003 07.21	Tokyo Character Show 2003 main stage
2003 07.27	[16:10] Hobby Expo 2003 Bunka Housou stage
2003 07.27	Hobby Expo 2003 main stage
2003 08.09	[13:00] TBS Anime Festa 2003
2003 08.10	[12:00] TBS Anime Festa 2003
2003 08.24	[15:00] C3 2003 Moe Moe Emotion talk & live
2003 08.30	[13:30] Rondo Robe Circus 2003 in Bunkyou Civic Hall
2003 09.27	[17:00] DVD Popotan vol 1 event in Animate Ikebukuro
2003 09.28	[11:00] DVD Popotan vol 1 event in Animate Nagoya
2003 09.28	[16:30] DVD Popotan vol 1 talk and mini live in TB Hall Osaka
2003 10.11	[14:00] Kichijouji Anime Wonderland 2003
2003 11.08	[14:00] "Nostalgia" CD event in Asobit City
2003 11.08	[17:00] "Nostalgia" CD event in Ishimaru Soft One
2003 11.09	[12:00] "Nostalgia" CD event in Yamagiwa Soft
2003 11.09	[15:00] "Nostalgia" CD event in Gamers Akihabara
2003 11.29	[11:00] DVD Ikkitousen vol 1 event in Yamagiwa Soft
2003 11.29	[14:00] DVD Ikkitousen vol 1 event in Asobit City hall A
2003 11.29	[16:30] DVD Ikkitousen vol 1 event in Animate Shibuya
2003 11.30	[12:00] DVD Ikkitousen vol 1 talk and live in Ishimaru Pascon Tower
2003 11.30	[15:00] DVD Ikkitousen vol 1 event in Comic Toranoana