Takeru is stuck in bed sick, and the sheep Eto-shin, Mei-tan, determines that what he has is no ordinary cold. With all the Eto-shin going wild as Takeru's Sol/Lull rages out of control, Nya-tan and Mei-tan decide to battle the unknown virus.
Why are they actually starting 
to test each other's strength?!
!لماذا بدأتُما فجأة باختبار قوّة بعضكما الآخر؟
Was soll das plötzliche Kräftemessen?!
¡¿Por qué comienzan a medir fuerzas?!
¡¿Por qué comenzasteis a medir fuerzas?!
Pourquoi mesurer
brusquement votre force ?
Perché hanno iniziato una prova di forza?!
Por que elas estão começando
 a testar a força uma do outra?!