That day is the day you go out to Whole Cake to meet one of the Yonko, Big Mom. To discuss your brother's matchmaking, Sanji. with one of big mom's children, Charlotte Pudding.

You and your brothers are in a horse-drawn carriage

Yonji:"hey Fanny, long time no see after your prison term that father gave you, right?, ahahah" his speaks arrogantly and arrogantly while looking at you while Ichiji and Niji just grin