Ten-year-old Rei Serio thinks he is the least qualified person in the world to be happy, but someone tells him otherwise.
Fifteen-year-old Serio Rei thinks that he is the person least qualified to be happy in the world because that person left.
Twenty-five-year-old Serio Rei thinks that he is the person least qualified for happiness in the world, but there is a fool who wants to give him happiness.
P. S. The imagination is beyond my expectation. Click on the author's name to see others.
Conception: