With many candidates dropping out, Blue Lock project moves on to the second selection. It’s where a teammate becomes a foe, and a foe becomes a teammate. And here, Isagi meets Itoshi Rin, the strongest egoist he’s ever met, the top player of the new Blue Lock ranking and the little brother of the genius Itoshi Sae. To evolve even further, Isagi’s battle proceeds to a new stage.
He's the little brother of that 
genius midfielder, Itoshi Sae.
الأخ الأصغر للاعب خطّ الوسط
العبقريّ ذاك، إيتوشي ساي
der kleine Bruder des genialen
Mittelfeldspielers, Itoshi Sae?!
Es el hermano de Itoshi Sae,
ese genio del centro del campo.
Es el hermano de Itoshi Sae,
ese genio del centro del campo.
c’est le petit frère de Sae Itoshi,
le milieu de terrain de génie !
è il fratello minore del geniale centrocampista 
Sae Itoshi!
É o irmão mais novo daquele 
meio-campo genial chamado Sae Itoshi.
младший брат
гениального полузащитника Саэ Итоси!