Last Round Arthurs, Vol. 5 (light novel)

What-s there to greet Luna and Rintarou upon their return from theirjourney is the
doomsday clock. It-s said global annihilation will betriggered when King Arthur
resurrects from the age of legends-and thecountdown is getting ever closer to this
fated moment. The other candidatesfor the throne balk at the task ahead of
them...and Luna steps forward toparticipate in a final battle that transcends time.