The world's largest doujinshi sales event “Comic Market 97 (C97)” is held at “Tokyo Big Sight West Exhibition Hall and South Exhibition Hall” and “Aomi Exhibition Hall” in Tokyo from Dec. 28 to Dec. 31, 2019.

The total number of visitors on the fourth day is 750,000 people is the same as summer comiket (C96), and it also breaks the highest number of visitors for this event. Although the venue was filled with the attractive cosplayer, the largest cosplay area Disaster Prevention Park couldn't be used on the last day, so the cosplayers and photographers were located at the rooftop of the West Exhibition Hall.

This article will be part 1 of the photo report on the last day which is on the Exhibition Hall's rooftop, that was filled with long line and passionate whirlpool.