What time is it okay to start the late night pack (22:00 to 9:00 the next day)?

Regarding late-night packs, due to the lack of staff in the studio,
Only start time from 22:00. Please arrive at the studio on time.
(It is okay if even one representative can come at 22:00.)
After the late night pack start time (22:00),
Please note that there is a possibility that you will not be able to use it.
You can enter from 5 minutes before the day.