We can't help but feel a deep sense of reverence for nature when we witness the chirping and soaring of birds and the dynamic presence of trees. This illustration collection compiles works created over four years focusing on such trees and birds. It features a large number of illustrations depicting tree houses, villages, and unique, charming birds and trees, often set within magnificent natural landscapes in a fantasy or fine art style. Through these works, we sincerely hope that readers, including lovers of birds and trees, will find a sense of peace and tranquility. AI is not used to create any of the artworks.