This addon is for Japanese chat messaging. Show Hiragana text from Romaji.

[Tomill] konnichiwa
  to
[Tomill] konnichiwa (こんにちわ)

• Requires Unicode font.
• This addon don't touch outgoing message.
• You can set default enable/disable setting in Menu > Interface > Addon > Romaji Translator.
• Type /romakana off command to temporary disable this addon.
• Type /romakana on to enable again.

Nihongo setumei page（日本語の説明ページ）