Itadaki! Nariagari Meshi  

頂!成り上がり飯

Oumori High School has many troublemakers, but no one can defeat its 35th head, Meriken. Despite this, first-year student Kenny attempts to challenge Meriken, resulting in him getting badly beaten up. However, by chance, Meriken consumes Kenny's lunch and finds it incredibly tasty. Kenny realizes that his culinary abilities could be his greatest asset in winning over his classmates and achieving his goal of becoming the top student at Oumori High School.