I have a crazy theroy.
God is an alien that had the technology to start life! I dunno about heaven and hell though, makes no sence.

You could ask me, I'm dead!
(PUN!)
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Ah, we are high school boys,
the miserable high school boys.
If we were girls, we could get popular by doing anything:
rock band, jazz band,
karate, kendo, mahjong, cyborg, synchronized swimming...
On the other hand, high school boys are
useless outside battle and sports anime.
But they're recklessly trying to make a slice-of-life anime about us.
Ah, we are high school boys,
the miserable high school boys.