He argued that marrying "3D" people and bearing children will "not necessarily make everyone happy."

"It's simply not right, it's as if you were trying to talk a gay man into dating a woman, or a lesbian into a relationship with a man," he said.

Kondo considers himself an ordinary married man, explaining that his holographic wife wakes him up each morning, turns the lights on at night when he arrives home, and tells him when it is time to go to bed.

He has reportedly been living with a moving, talking, hologram of Miku that floats in a JPY2,800 (RM103) desktop device since March, according to Japan Times.