It will be a gentle rain someday (1-2 volumes)

the publisher:
Author: Polly, Sayo Shiraishi, Mocha Ashihara
Size: 128mm x 182mm
Number of books: 2
Language: Japanese
Category: Female manga, manga
Latest publication date: 2022-09-05

Synopsis:
I am about to marry Hiroki Miyase, a childhood friend.
If you are looking forward to the dazzling day like a prince ...
"The marriage partner has changed. The other person is Kazuki -kun."
He suddenly disappeared, to marry his brother Kazuki with the intention of both families who care about the world.
I was just confused by his silent, solitary, and boss at work.
But the day of the wedding. The kiss that is exchanged is hot and gentle as if it were.
What is his true meaning transmitted from his lips ...!?