Don't panic, it's just a survey:

When do you get flustered?
• When it looks like I'll be late to a rendezvous time
• When I try to pay but don't have enough money
• When the crotch of my trousers rips right as I'm leaving home
• When I wake up and it's already past the starting time of work
• When I've forgotten my doujinshi circle admission ticket

Reader-added tags include "No 'All of the above' in the survey", "Couldn't cut iiiiit", and "The guy in charge is probably in Polnareff Mode".

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Helepolis said:

I guess this user tag has become a running joke or something? Three times in a row same reader tag :V

It doesn't usually come up that regularly for "Kogasa-san", but it's definitely a running gag on Pixiv (not just with Mizuki-san's posts), with its own Pixipedia entry.