Sigh, I wonder why they are such an underrated ship.
At a guess I'd say its because the other typical pairings for these two (Kaguya/Eirin and Eirin/Reisen) offer a bit a more potential for material in comparison.
Kaguya/Reisen by comparison is a tad shallow considering the Princess pretty much sees her as just another one of Eientei's rabbits.
