User blog comment:SomeoneYouUsedToKnow/SYUTK's V4E6 - The Point Where It Tips - Impressions/Recap/@comment-4010415-20161212220337/@comment-4010415-20161212234537

Oh. The Japanese floriography for Oniyuri/Tiger Lily is wealth.

Apparently, while the Higanbana/Red Spider Lily is associated with death, its meaning in Japanese floriography is abandoment. More points toward Raven's appearance in that episode.