[Actually the 'niisan' was informal and casual. Ammy could've been a lot more respectful if she'd felt like it, and she certainly did give the Head Librarian his proper due. She just also didn't feel it was always important to stand on protocol at all times. Besides, he'd objected to being called 'ji-san' even if she'd found it amusing to call him 'uncle'. He'd insisted he wasn't an old man.]
Re: [Video]
Yes, although he tolerates my nickname.
[Actually the 'niisan' was informal and casual. Ammy could've been a lot more respectful if she'd felt like it, and she certainly did give the Head Librarian his proper due. She just also didn't feel it was always important to stand on protocol at all times. Besides, he'd objected to being called 'ji-san' even if she'd found it amusing to call him 'uncle'. He'd insisted he wasn't an old man.]