Ecchi na Shintai Sokutei Anime Edition

A teacher lucks out when he gets to supervise the body measuring sessions of his female fifth-grade students. While enjoying the wonders before his eyes, he notices that a particular student, Kanae Kouda, is absent. When she comes to school the next day, the teacher does his duty to get her measurement—albeit in quite an eccentric manner. [Written by MAL Rewrite]