Shiren the Wanderer 2

Shiren the Wanderer 2: Oni Invasion! Shiren Castle! The second main entry in the Shiren the Wanderer series, which is part of the larger Mystery Dungeon series, and was originally released in Japan on September 27, 2000. The game follows Shiren, a boy who aims to defend a village from attacking demons by building a castle; he finds building materials and other items by exploring dungeons. (wikipedia.org)