So... is Tachibanakan Triangle finished or not?
It is a bit ambiguous in this case.
Why?
The anime finished before the manga:
Anime finished: June 20, 2018
Manga finished: April 17, 2020
We could not confirm the source content in MangaUpdates.
Watching Order (by release date)
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
The mangas and the non-core contents are excluded by default, but you can enable them by clicking the buttons below:
Synopsis
Hanabi Natsuno returns to her hometown after being away for six years and moves into the Tachibanakan dormitory to start high school.
Almost immediately, she finds herself caught up in the lives of the other residents, particularly after a surprising first encounter.
Hanabi also reunites with a childhood friend, Konomi, whom she barely remembers, adding another layer to her new life.
As the other girls in the dorm vie for Hanabi's attention, she realizes her high school experience is going to be anything but ordinary.
She finds herself navigating the complex dynamics of the dorm and the affections of the other residents as she tries to settle into her new environment.