I'm really glad BBB is gonna do the ED song for Toshokan Sensou, yet another reason for me to LOVE this show!! 8D
I've been pimping this one as early as now, as I've gained insights on this from reading the novel and the mangas. I invite you to take a peek, at the world of Toshokan Sensou~~ xD
Inside Information on Toshokan Sensou - A 'Deep Frying' Prelude Part 1
Inside Information on Toshokan Sensou - A 'Deep Frying' Prelude Part 2