He did care what are yall talking about he was very shocked and saddened seeing his brother on the ground. And he was heartbroken, he's following in his brothers foot steps finding the truth about kister. Not every adult acts the way you want them too when dealing with lost. Σ(  ̄□ ̄||)
His brother died. It feels like the parents, the ML didnt care.. and its dense. Tsk tsk