Bongou was an old boat by WW2, hell as far as I know the only capital ship older than her on the Pacific (note: for purpose of this I'm not counting former capital ships converted into repair ships, ammo hulks, gunnery training ships, etc.) was BB-33 USS Arkansas (launched 14.1.1911).
I love you, Kongou-oneechan♥ Mwah♥ You're so precocious, Houshou-girl~Admiraal♥ We've had a very pretty girl join our merry band!I'll look after her until she's used to things here, okay?♪