Comiket 76 with an astounding 560,000 attendees.
Comiket before day 1
All nighters population upto 12,000 people.
And beating the last year’s C74 with 550,000 attendees.
Day 3 is purely crowded when it is known for “H” day which most of males are fond of during that day in a comiket with ero doujins etc. with a staggering 200k of people who atttended this day.