National Irresponsible Era (全国無責任時代,Zenkoku Musekinin Jidai) is the second opening song of the anime Keroro Gunso sung by GAGAGA SP from episode 52 to 78.
inu demo arukeba hou ni haataru saru mo ki kara ochiru koto mo aru
tokuibunya demo tama ni wa shippai suru koto mo aru deshou
sonna toki ni wa musekinin kangaenai no ga hisshou hou sa
tama ni wa yoi koto aru no sa to hiraki-naoru no ga kanjin na no deshou
nandemo kandemo yarimashou
pā- to icchou yarimashou
jitsu wa minasan musekinin atama karappo no hou ga tanoshii no sa
nandemo kandemo yarimashou
pā- to icchou yarimashou
nihonjin wa kurai ne to itsumade mo iwareteru baai janai deshou
hito no dohyou de sumou wo torimashou tanoshii koto dake yatte ireba
hito ni nanika wo iwaretemo betsu ni taishite heko manai deshou
karada wa karui hou ga ii ashitori karuku doko made mo
kangae sugite tsukaretara omoi kitte musekinin ni yatte ikimashou
nandemo kandemo yarimashou
pā- to icchou yarimashou
shinpai nan chuu mo n wa zenbu gyagu
neta ga hitotsu fueta to omottara ii no sa kono musekinin
nandemo kandemo yarimashou
pā- to icchou yarimashou
tsumari kono yo wa musekinin ike zenkoku musekinin jidai
zenkoku nippon sekai chikyuu uchuu musekinin ichidai yo
nandemo kandemo yarimashou
pā- to icchou yarimashou
jitsu wa minasan musekinin atama karappo no hou ga tanoshii no sa