Some of the events that Yuuko has appeared in are as follows.

2017 03.26	[10:30] Anime Japan 2017 High School Fleet
2019 06.22	[13:30/17:00] Hitoribocchi no Marumaru Seikatsu Shuugyoushiki
2020 11.14	[17:00] High School Fleet talk event at Volks