I don't know how I missed this, but here are audio clips of Io's kohai being funny with tongue twisters.
Can mew imyagine an imyaginyary mewnyagerie mewnyager imyagining mewnyaging an imyaginyary mewnyagerie?
https://twitter.com/kiseki_miya/status/1781774645232058853"The sixth sick Sheik's sixth sheep's sick."
https://twitter.com/kiseki_miya/status/1781376684903760212Nippon Egao Hyakkei intro
https://twitter.com/kiseki_miya/status/1781759156128829873