愛 - I Love You

Readings:

あい - love

いと - love

Common Usage:

愛している

愛しい

Examples:

愛していると言ってくれ

愛しい猫

Translations:

(Please) Tell Me That You Love Me
(a TV series: Amazon.co.jp link)

darling cat
(although it could be a pet name for a girlfriend, I guess, one look at the page where it comes from and you know it's not: http://leonchan.exblog.jp/7275367/)


My thanks to http://www.jlptstudy.com/2/index.html and http://www.thejapanesepage.com/kanji/kanji/a.htm for great JLPT sites with better navigation than I can manage here.