The gang heads off to space to fight in what they believe to be the final battle. Meanwhile, Kokoro and Mitsuru stay behind to fight a battle of their own.
Besides, you put too much 
strain on your partner.
ناهيك عن أنّك تشكّل جهداً كبيراً
على شريكك
Nebenbei, du belastest
deinen Partner zu stark.
Et ton fardeau est bien trop lourd.
Un pistil ordinaire ne tiendrait pas.
E poi, tu metti troppa pressione sul partner.
Além disso, você desgasta
demais o seu parceiro.
Да и обычный пестик 
с тобой просто не справится.