The members of Pandemonium are not getting enough exercise, so they decide to build a gym, but when it comes time for the opening ceremony, Beelzebub and the others find themselves staring at a Japanese-style bath instead. Since the facility already exists, they might as well get in… Later on, Beelzebub learns more about Mullin and the pet he keeps at home.
as well as increase morale. 
A happy win-win, I think.
وكذلك ترفع المعنويات. فائدة لكافّة
الأطراف على ما أعتقد
und steigert gleichzeitig die Moral.
Ich halte das für eine Win-Win-Situation.
y aumentará la moral
de los empleados. Todos ganan.
y aumentará la moral de los empleados.
les employés n’en seront
que plus motivés.
oltre ad alzare il morale.
Tutti ci guadagnano, secondo me.
acho que seria vantagem
para os dois lados.
и повысится моральный дух.
Беспроигрышный вариант выходит.