Prerequisite / trigger
No exact calendar or relationship gate is documented in the checked source; follow the active story journal and mailbox.
Journal route
Objectives in order
- 1
Invite Elvira, Samael, Mina, Evan, and Ridge.
- 2
Attend dinner at Ambrosia Mansion.
Completion
Rewards and unlocks
- Forms wheel
- Cat Form
- Dinner achievement