Invitations
From Tears of Themis Wiki
As players progress through the story, they will unlock new Invitations. When selected from the profile, they not only change the player's profile header, but also the player's default homescreen. Current invitations include:
Study Hour
Unlocked by default.
Sweetie Pie
Unlocked after completing Episode 2
Serenity
Unlocked after completing Episode 3
Unlocked after completing Episode 4
Sugar Painting
Bucket Surprise
Whac-A-Mole
Ring Toss Expert