Dispatch a machina 30 times.

Clear Chapter 4.

Become friends with a Tenko.

Clear Chapter 2.

Bathe with someone of the opposite sex in the Pool of Purity.

Activate 300 Boosts.

Slay 5 large Oni without taking a break.

Accompany an ally on a total of 50 missions.

Destroy all of an Oni's body parts 50 times.

Acquire a total of 1 million Haku.

Clear Chapter 1.

Raise your bond with one of your allies to its maximum level.