To provide a corner custom kitchen which can prepare a storage cabinet which moves up and down at will at the inner corner part of the corner of a kitchen room.

In a corner custom kitchen A which is arranged in a nearly L shape along the two wall surfaces which are at right angles to each other, this corner custom kitchen A consists of a storage cabinet 1 which is arranged at the inner corner part of a corner and moves up and down at will and a corner unit 2 which is separated from this storage cabinet 1. A sink 3 in a nearly fan shape is prepared in a central counter 21 of this corner unit 2. The corner custom kitchen A has both counters of the sink 3 as a worktop 4. Optimally, the leading edge part of the central counter 21 of the corner unit 2 has a width d of at least 45 cm.