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.
someone who doesn't normally do their 
work decided to suddenly do some.
عندما أرى شخصاً لا يقوم بعمله عادة يقرّر
أن يقوم بعمله فجأة
als so ein Faulpelz
wie er plötzlich aktiv wurde.
que alguien que nunca trabaja,
de pronto lo hiciera.
que alguien que nunca trabaja
lo hiciera de repente.
что подобный бездельник
вдруг решил что-то сделать.