While Boruto and the others are forced to participate in Ouga’s experiments, Sarada and her team investigate Boruto’s disappearance and discover the existence of a suspicious individual. 
Meanwhile, Boruto is shocked to discover the identity of someone who may be working for Ouga. Just then, a test subject is found dead—killed for reasons that have nothing to do with the experiment.

There is a number written
on the tag inside your envelope,
In euren Umschlägen stehen Zahlen
von eins bis acht geschrieben.
dentro del sobre hay un papel
con puntos del uno al ocho.
dentro del sobre hay un papel
con puntos del uno al ocho.
Dentro le buste
Внутри ваших конвертов есть номерки…