Only one gift can be unlocked per game and these are distributed based upon Ari's responses in dialogue to certain characters from the beginning of the game.

Unlock Gallant Rapier Weapon:
Favor Rosalyn with heroic responses.

Unlock A Of Spades Weapon:
Favor Ari’s Father with gung-ho responses.

Unlock Daymare Ring Accessory:
Favor Mysterious Woman with apathetic answers.

Unlock Stat Boost (AP +5, DP +5):
Favor Evil King Stan with evil responses.

Unlock Owl’s Amulet Accessory:
Favor Julia with wishy-washy responses.

Unlock Reunion Outfit Armour:
Favor Princess Marlene with affection.

Get Toby

Toby can be found in a house with a boy standing in front of the back door. The password he asks for is the one second from the bottom.