Sofa which becomes a bunk bed

It is common for a sofa to become a bed when you defeat the backrest, but it is probably the first time to become a bunk bed. I wonder whether there is a necessity to do so ... ....

Details of the specification etc. are as follows.
DOC a sofa bed that converts in to a bunk bed in two secounds

The length of the bed itself is 193 cm, the width is 80 cm. Price is unknown.


What a cute sofa like this ......


Like this ... ....


To the bunk bed in no time


I do not quite know if it needs to be done so far ... but it is convenient, is not it.