Location: Chiba Prefecture Use: Private residence, children's villa Completion: 2018 Design/construction: Harappa
 ■Features
 It is built between two trees and offers a zip line, suspension bridge and swings from the middle deck.
 The tree house part is located 5 meters above the ground, so you can enjoy a pleasant swaying motion.
 The treehouse's loft window allows visitors to secretly access the roof below, appealing to children in their element.