I remember reading a chapter where Sayaka met her ex and confronts her with Touko by her side.

Anyone remember which chapter it was? Thank you in advance

https://dynasty-scans.com/chapters/bloom_into_you_special_3

Another Engsub
https://youtu.be/0v0Dvf-VLoo

That would be things going too smoothly, and Nio has a record of unexpected plot twists and bittersweet endings.

Eh maybe, that one's definitely bittersweet and plays into the "I can't be myself without my other sibling" theme. It was her original submission for the contest wasn't it. It's also het and the story points are vastly different though, so I don't think
Sad/bad/bittersweet endings: Tsukinaki, Luminous Butterfly, Unfair Randomizer, Soft Enclosure, Nagi no Matsu 1, The Idol Diagonally Opposite Me

Nagi wo Matsu 2 never

I'm loving the discussion. But I guess I'm the only one that wants P.A Works to adapt Yagakimi. I think they have proven themselves worthy. They tend to care for the little details and source material, like with Uchouten Kazoku. I think they would do a great job.

You are not alone.