Felicità

The only daughter of Arcana Famiglia's leader, Mondo, as well as the leader of Sword. Bears a contract with #6 of the Arcana - The Lovers, makes her able to to read people's hearts

Spoiler

and later, she finds out that she has another Arcana - The Wheel of Fortune (#10), makes her able to change the relationship of a tarocco and the host in it.

Most Arcana Famiglia members call her "Ojou-sama" (lit. Milady).
She’s strict on herself and others and always strives, but is also a bit innocent and pure in some ways. She’s always accompanied by her owl, Fukurota.