Or walk back and forth after 6am - I haven't really caught her showering before then or after say, 20:00 or so, but my luck with encounters and drops is crap; I have so many stories on how long it'd take me to proc Saendra or Shizuya on TiTS...
Or walk back and forth after 6am - I haven't really caught her showering before then or after say, 20:00 or so, but my luck with encounters and drops is crap; I have so many stories on how long it'd take me to proc Saendra or Shizuya on TiTS...
I also walk back and forth and I usually catch her in the night. I am certain of that, sicne I often do it on the very first day already, once the shops close.
I've gotten the event at all times of day so I don't think it has a specific window when it happens. But from my experience of walking up and down and having nothing happen I do think that at least an hour needs to pass after you talk to her for it to trigger.