Serie includes 19 albums .
Haha No Naku Ie CH4
Haha No Naku Ie CH1
Haha No Naku Ie CH12
Haha No Naku Ie CH14
Haha No Naku Ie CH7
Haha No Naku Ie CH18
Haha No Naku Ie CH20
Haha No Naku Ie CH10
Haha No Naku Ie CH17
Haha No Naku Ie CH5
Haha No Naku Ie CH15
Haha No Naku Ie CH6