Some of the events that Natsumi has appeared in are as follows.

2012.05.19	[11:00] Milky Holmes Live in Budoukan Zenyasai
2012.10.07	[15:00] Dengeki Bunko Aki no Saiten 2012 Main Stage Sakurai Sou no Pet na Kanojo
2013.03.24	[] Sakurasou no Pet na Kanoji Bluray/DVD event
2015.08.15	[12:00/14:00] IDOLM@STER Cinderella Girls 2nd Season event Animate Akihabara
2015.08.16	[14:00/16:00] IDOLM@STER Cinderella Girls 2nd Season event Animate Sapporo
2015.09.13	[16:30] Idolmaster Cinderella Girls "Shine!" event
2016.07.24	[14:30] Himitsu Kichi Koukai Himitsu Kaigi in Wonder Festival
2016.08.26	[] Animelo Summer Live 2016
2016.09.03	Idolmaster Cinderella Girls 4th Live TriCastle Story
2016.09.04	Idolmaster Cinderella Girls 4th Live TriCastle Story
2016.10.16	Idolmaster Cinderella Girls 4th Live TriCastle Story Saitama
2017.05.06	[11:00] Bushiroad 10th Anniversary Festival Hina Logic stage
2017.08.12	[] Idolmaster Cinderella Girls 5th Live Serendipity Parade Saitama Super Arena (day 1)
2017.10.21	[15:00] Fantasia Bunko Daikanshasai 2017 Grancrest Senki
2017.12.03	[14:30] Anime Hina Logic Finale Event
2018.03.24	[13:30] Anime Japan 2018 Grancrest Senki Special Stage
2018.11.10	[] Idolmaster Cinderella Girls 6th Live MetLife Dome (day 1)
2019.09.14	[12:00] Azur Lane 2nd Anniversary Fes. Day 1 Special Stage
2020.02.15	[] The Idolmaster Cinderella Girls 7th Live Tour Glowing Rock
2022.09.11	[14:30/18:00] Voice Lounge Channel Fan Kanshasai Event
2023.03.19	[15:00] Suzaki Aya no 7.6 Erai! Sugoi! Bangumi Goudou event
2023.03.19	[18:00] Erai! Sugoi! Bangumi event
2023.06.17	[13:00] Voice Lounge Channel Seiyuu to Oshaberi
2023.06.17	[16:00] Voice Lounge Channel Seiyuu to Oshaberi