Use Yukimura Sanada (Child) in a castle town.

Acquire a battle accessory in battle or while exploring.

Acquire 26 different battle accessories in battle or while exploring.

Achieve an "S" evaluation in battle.

Achieve an "S" evaluation in battle 10 times.

Go fishing.

Acquire materials at the Farm.

Invite an officer to join you at the Teahouse.

Raise your Friendship Level with another officer to max.

Raise your Friendship Level with 10 other officers to max.

Raise your weapon rank to A.

Read the Sanada Clan Chronicles.

Read 50 entries in the Sanada Clan Chronicles.

Read all entries in the Sanada Clan Chronicles.

Raise Yukimura Sanada's level to 50.

Raise the level of any officer to 99.

Attain a total K.O. count of 10,000.

Attain a total K.O. count of 100,000.

Achieve 1,000 K.O.s in a single battle.

Acquire 10 different materials.

Acquire 100 different materials.

Give Sakyō Raifukuji a conch shell.