A White Wedding Christmas(2023)

Daifugou ni Kobamareta Hatsukoi

Natalie is a wedding planner who doesn't believe in love. As she's coordinating a wedding for her good friend, she reunites with Colin, who has become a wealthy businessman, for the first time in fourteen years. He holds a special place in her memories as her first crush. Taken with his warm, dazzling smile, she invites him out to dinner, only to be promptly refused! However, several days later Colin requests that she plan his younger sister's wedding. But this time, why is he the one who is pursuing her?

(Source: Renta!)