Hotaru Tenshi has seen concerts during 11 years.

Year   Concerts Seen  
2024 1 concert
2023 2 concerts
2022 2 concerts
2021 2 concerts
2019 1 concert
2017 1 concert
2016 2 concerts
2015 1 concert
2011 1 concert
2008 1 concert
1999 2 concerts