Casual first-person plural pronoun, mainly used by women. Can include the speaker and their in-group.
Hey, want to go see a movie tomorrow?
Casual first-person singular pronoun, mainly used by women. Can sound softer or more familiar than 私.
We always meet up here.
I'm not really good at that kind of thing.
Katakana variant, sometimes used for emphasis or in casual writing.
Rarely used kanji form; not recommended for learners.
Derived from 内 (uchi, 'inside, one's own group') with the plural suffix ら (ra). The exact historical development is uncertain, but it is a natural colloquial formation.