Fiancee be Chosen by the Ring

Fiancee be Chosen by the Ring manga, 指輪の選んだ婚約者 Yubiwa no Eranda Konyakusha
An Engagement ‘Love Fantasy’ that all started with a ring!
Daughter of the Countess, Aurora, attended an evening party. Despite attending, she wouldn’t talk to anyone and only stared at the embroidery on the various dresses.
Then she was suddenly hit with a single ring!? What in the world could this mean…?