Danjo no Yujou wa Seiritsu suru? (Iya, Shinai!!)

is a Japanese light novel series written by Nanana Nana, with illustrations by Parum. The series began publication on January 9, 2021 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
At a rural junior high school, a boy and a girl vowed eternal friendship, and two years passed smoothly in their relationship......!

The story follows the lives of two young people, Inuzuka Himari, who has yet to find her first love, and Natsume Yuu, a flower-loving boy, who remained best friends in their second year of high school, together in the gardening club. Sometimes Hiyori will tease him by say things like, "If Yu can't get married, I'll have to take the blame. It's hard when your brother calls him 'brother-in-law!" But when Yuu is reunited with his first crush from the past, the wheels of their relationship suddenly started to turn! Will Himari's newfound feelings help her break free from her "ideal friend" status?

(Source: Anilist)

Manga Volumes
A manga adaptation of the light novel is set to be serialised in Dengeki Daioh from August 2021.

Anime
An anime adaptation of the light novel series was announced by Kadokawa in August 2022. There is currently no release date set for it.