Ueki no Housoku Plus  

The Law of Ueki Plus, うえきの法則プラス

In two years since the tournament of the next god, Kosuke Ueki has become a 3rd year student at Hinokuni High School. Despite losing their memories of their most significant individuals, including his friends who participated in the tournament two years ago, everyone in the real world is affected except for Ueki. Driven by the desire to restore others' memories, he embarks on a journey following a little sheep named U-lu to another realm called Hankagai. There, he encounters new companions and acquires novel abilities.