Read the Manga. It starts as the same cringe comedy the anime is, but slowly develops into one of those "how gay can we make this before we have to rebrand" type series.
If Tsun-ness was a energy, the amount theses two provide here could power the whole Carrier.
That's an understatement. If tsun-ness was an energy, these two could easily provide cheap and efficient electricity for all of China, Japan, Mongolia, North Korea, South Korea and Vietnam for a decade.