実は彼女は僕の姉だ。
Sentence Analyzer
English Translation
As a matter of fact, she is my sister.
Furigana
Romanji
Jitsuha kanojo wa boku no ane da.
Words
実は
(じつは)
as a matter of fact; by the way; to tell you the truth; to be honest; frankly
彼女
(かのじょ)
she; her; her; girlfriend; sweetheart
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
僕
(ぼく)
I; me; you; manservant
の
(の)
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
姉
(あね)
older sister; elder sister
だ
(だ)
be; is; indicates past or completed action; indicates light imperative