One of Ryuhei's classmates is suffering from an abusive father and stifling home life. She turns to a mysterious drug to escape from her problems, but the drug has a connection to the strange world that Ryuhei is investigating.
You shouldn't come to 
this guy for advice, then.
.إذًا لا يجب أن تلجئي إليه طلبًا للنّصيحة
Dann solltest du dich aber nicht
von Ryuhei trainieren lassen.
Para eso, mejor no aprendas de Ryuhei.
Para eso, mejor no aprendas de Ryuhei.
Dans ce cas, mieux vaut pas
apprendre avec Ryûhei.
Se le cose stanno così, 
meglio che non ti fai insegnare da lui.
Você não devia pedir
conselhos para ele, então.
Тогда не к нему надо 
обращаться за советом.