Responses

https://drive.google.com/drive/u/0/mobile/folders/1Eoswo5kZU5xtghXN8rPfHu_6qmGu6d-h?usp=sharing
Click on Volume 2 for 2nd arc its a pdf file.

Sorry I haven't read Book 2 yet since when I was reading Book 1 Book 2 just started to come out.
Here are some spoilers of the 2nd arc
https://forum.novelupdates.com/threads/watashi-no-shiawase-na-kekkon-light-novel.99420/page-2
Her ability is still a mystery and her mother's side's family?