Saving Peasants From Lake is a short unwritten tale at a lake in Buddha's Footprints on Iki Island. Mongol archers are tormenting peasants in the water, and killing them ends the tale and counts toward Common Courtesy.
Move fast, since the peasants are in danger the whole time. Close in and take the archers down quickly rather than trading arrows from range.
Bury Ship Captain
Bury Ship Captain is a short unwritten tale on Iki Island's northern coast. You find the drowned captain who sailed you to Iki and give him a proper burial, which counts toward the Common Courtesy trophy.
Hachibee the Beekeeper
Hachibee the Beekeeper is a short unwritten tale in Old Gambler's Wood on Iki Island. Mongols are coming to wreck a beekeeper's home and hives, and you fight them off. It counts toward the Common Courtesy trophy.
Helping Kodama
Helping Kodama is a short unwritten tale east of Lake Nagata on Iki Island. A masked woman blames the samurai for scarring the land, and you clear Mongols cutting down a nearby forest. It counts toward the Common Courtesy trophy.
Raider Memorial Archery Challenge
Raider Memorial Archery Challenge is a short unwritten tale in southern Iki Island. Wear Tadayori's Armor in front of a raider groundskeeper and he dares you to shoot seven lanterns. Win and he gives you a charm.