The Komoda Bamboo Strike is a sword-timing challenge in Komoda Town in Izuhara. Cut through all the bamboo with the right buttons and it counts toward raising your maximum Resolve.
Stage one uses the first three poles: L1, L1, Square. Stage two adds two more: L1, Cross. Stage three adds the last two: L1, Cross.
Also at Komoda Town: the record To My Love.
To My Love
To My Love is a written record from Ghost of Tsushima's Records set, left by locals during the Mongol invasion. You find it at Komoda Town in Izuhara, and it counts toward the Avid Reader trophy.
Aaruul
Aaruul is one of the 50 Mongol Artifacts, pieces of the invaders' culture and warfare you can study. It sits at a camp south of Izuhara Clearing in Izuhara, and finding 20 artifacts counts toward the Know Your Enemy trophy.
Adachi Dragon Mask
Adachi Dragon Mask is a New Game+ mask sold by Baku the Voiceless for 5 Ghost flowers. It does not exist in a first playthrough.
Adak Tree
Adak Tree is one of the 50 Mongol Artifacts, pieces of the invaders' culture and warfare you can study. It sits at Yoichi's Crossroads in Izuhara, and finding 20 artifacts counts toward the Know Your Enemy trophy.