Nohara Hiroshi Hirumeshi no RyūgiNohara Hiroshi Hirumeshi no Ryūgi.

Style of Nohara Hiroshi's Lunch (野原ひろし 昼メシの流儀, Nohara Hiroshi Hirumeshi no Ryūgi; lit. 'The Style of Hiroshi Nohara's Lunch') is a Japanese manga series written and illustrated by Yōichi Tsukahara, which is a spin-off of Yoshito Usui's Crayon Shin-chan series, focusing on Hiroshi Nohara, Shin-chan's father and the head of the Nohara family. It was serialized in Futabasha's seinen manga magazine Manga Town from December 2015 to December 2023, before transferring to the series' official website in January 2024. It has been collected in fifteen tankōbon volumes.