Does this mean it will spread?

Notes:

Castle Town Dandelion (城下町のダンデライオン Jōkamachi no Danderaion?), also known as Jōkamachi no Dandelion, is a Japanese four-panel comic strip manga written and illustrated by Ayumu Kasuga. It made its first appearance in Houbunsha's Manga Time Kirara Miracle! magazine with the June 2012 issue. An anime adaptation produced by Production IMS and directed by Noriaki Akitaya premiered in Japan on July 2, 2015.

From Ch.5, Vol.1 of the manga.