Mitsuki and the other kids put their plan into effect to make the singing contest happen and to save their school once and for all.
Anyway, you stay put and stay out of this.
على أي حال، تمالك نفسك  
.وابتعد عن هذا
Halt dich jedenfalls raus.
Como sea,
tú quédate fuera de esto.
Enfim, fique aí e fique fora disso.