Questions regarding Hikki CD's

[omably]

Hello All!

Ugh.. Okay I'm sure you're all sick of my rambling on about nothing, but I assure you this will be the last because I WILL cover everything I need to know before I splurge on Hikki CD's.

QUESTION 1: Which of Hikki's Japan releases are available as CD+DVD?
QUESTION 2: Do all of Hikki's CD's come in a standard sized CD case?
QUESTION 3: Do all of her Japan releases come with an OBI?
QUESTION 4: Do any of her CD's come with any sort of first pressing bonus?
QUESTION 5: Were her English singles released in Japan?

Okay... I think that's all, thanks in advance!