Jidou Yougo Shisetsu de Sodatta Ore ga Mangaka ni Naru Made no (Ooyoso) 8760-Nichi
児童養護施設で育った俺がマンガ家になるまでの（おおよそ）8760日
Nagata entered an orphanage in Yoshikata, Shounai, Yamagata, at age four and lived there for 11 years alongside his two older sisters. During this time, he experienced the disorientation of abrupt changes in his environment while growing up within the facility. The narrative aims to depict how his experiences in the orphanage contributed to the development of his present-day profession.