The short answer is yes but for the full scoop, check out the Plagiarism Apology chapter.
https://mangadex.org/chapter/025c4217-9e47-4212-b57e-80c1825777cc/1
I should probably try to be a more mysterious author that lets readers fill in the blanks and make things look super deep and stuff, but I'm really happy you asked so here.
Red rose -> II
Baby’s breath -> Cutie
Tulip -> Nana
Thank you so much for this comment. It's a shock to hear that Edgy is what first caught your eye! I'm so glad you liked it. I didn't expect that ending either, actually... I just went in wanting to draw someone killing anime protagonists because I was in a bit of a funk.
I'm happy to hear that...
Very nice interpretation. Actually, when I was drawing it I was only thinking of using that difference in shade to portray emotional distance. I like your reading of it so much. :qq: