Nonaka

It was in a high position in a big company, but throws everything away for the job he really wanted to do.
His wife is Saki, who consented to his change of job.
Feels sorry for having to move from a big and nice apartment to a low level on, so he is devoted to work to go back to his former life as soon as possible.
Thinks about his wife more than anything else.
However, his overly serious personality leads to difference in feelings between him and his wife.