オープニングイベントだったら
ōpuninguibentodattara
1. If the opening event…; When the opening event…
Noun
#159618
1. If the opening event…; When the opening event…
1. if it's the case
1. event
1. opening; start
2. opening credits; title sequence
3. theme song (played during the opening credits of a TV show, etc.)
1. big event
1. not be found
1. If it comes out; When it comes out
1. If/when topped; If/when crowned
1. If/when shown; If/when I show