Pioneers of the mysterious gift trend.Don't open strange boxes that attractive women give you, or else your life will be taken from you.
You jest, but since we know that he eventually return to the normal world, the story might be foreshadowingSilly little elf, the moral of the story for you is that your lover's feelings and choice must be respected, even if that mean let them go, but you whould never do it yourself, whould you? For Yousuke, the moral of this tale is that in situations where someone warns you not to do something, you should ask why. If you don't ask, then do not tempt fate.
Between this and Pandora, I've come to a conclusion: Never get box.Don't open strange boxes that attractive women give you, or else your life will be taken from you.