▁Dev il ▁B ats ▁football ▁team ▁as ▁its ▁running ▁back . ▁To ▁protect ▁his ▁identity ▁from ▁other ▁teams ▁who ▁want ▁to ▁rec ruit ▁him , ▁S ena ▁is ▁forced ▁to ▁public ly ▁assume ▁the ▁role ▁of ▁the ▁team ▁secretary ▁and ▁enter ▁the ▁field ▁under ▁the ▁pseud onym ▁of ▁" E yes h ield ▁ 2 1 " ▁we aring ▁a ▁hel met ▁with ▁an ▁eyes h ield ▁to ▁hide ▁his ▁features . ▁The ▁makes h ift ▁team ▁initially ▁takes ▁part ▁in ▁the ▁spring ▁football ▁tournament ▁hoping ▁to ▁win ▁through ▁the ▁strength ▁of ▁their ▁new ▁" secret ▁weapon ". ▁However , ▁the ▁extremely ▁weak ▁team ▁is ▁elimin ated ▁early ▁by ▁the ▁O jo ▁White ▁Kn ights , ▁one ▁of ▁the ▁best ▁football ▁teams ▁in ▁Japan . ▁ ▁After ▁De imon ' s ▁defeat , ▁the ▁spring ▁tournament ▁is ▁revealed ▁as ▁secondary ▁in ▁importance ▁to ▁the ▁fall ▁tournament , ▁where ▁the ▁teams ▁comp ete ▁for ▁the ▁chance ▁to ▁play ▁in ▁the ▁Christmas ▁Bowl the ▁high ▁school ▁football ▁league ▁championship . ▁Hir uma , ▁Ry ok an ▁Kur ita , ▁and ▁S ena ▁re group ▁and ▁slowly ▁build ▁a ▁real ▁team ▁from ▁mis f its ▁and ▁students ▁looking ▁to ▁define ▁themselves , ▁such ▁as ▁Tar ō ▁" Mont a " ▁Ra im ona ▁baseball ▁player ▁who ▁can ▁only ▁catch and ▁the ▁Ha - Ha ▁Brothers . ▁Other ▁characters ▁slowly ▁join ▁the ▁team , ▁and ▁the ▁series ▁follows ▁the ▁building ▁and ▁growth ▁of ▁the ▁De imon ▁Dev il ▁B ats ▁and ▁its ▁members , ▁and ▁rival ▁teams