The manga uses seasonal motifs (spring = hope, winter = isolation). Chapter 9 seems to hint at autumn — a season of transition and melancholy.

I notice you're asking for an related to a specific raw manga chapter title: "KOKO JIDAI NI GOMANDATTA JOU SAMA TO NO DOSEI SEIKATSU HA IGAITO IGOKOCHI GA WARUKUNAI - chap 9 Raw Manga - WeloveManga"