Sawa Takigawa (滝川 紗羽 , Takigawa Sawa) is a journalist and a Nanba Child who investigated Faust and became the Stretch Smash (ストレッチスマッシュ, Sutoretchi Sumasshu). After being rescued by Sento Kiryu, she joined him as a member of Team Build, later slowly defecting from Juzaburo Namba fully.