As Shouta becomes accustomed to life as the only boy at school, he starts to seek out more and darker thrills. And his keepers are more than happy to oblige his every need...
You should start working 
harder, don't you think?
Darum ist es umso wichtiger,
dass ihr euch richtig bemüht.
¿No creen que deberían
esforzarse un poco más?
¿No os parece que deberíais
esforzaros un poco más?
Vous allez devoir
redoubler d’efforts, à mon avis.
Dovreste cominciare
 a darvi più da fare, non credete?
Não acham que precisar
se esforçar mais um pouco?
Не считаете, что пора поднапрячься?