How to type in japeness using English alphabites

1: Go to setting
2: general
3: keyboard
4: international keyboard
5: add new keyboard
6: choose japeness (romaji)

After doing that go to notes and change your keyboard to the Japanese you will find it same English alphabites. Try writing any thing then the word or sentence you quote would change into japanese automatically ..example

Akatsuki : 暁
Braveknight: bらゔぇkにっ