expression
truth is stranger than fiction
Proverb meaning real events can be more surprising than made-up stories. Derived from the English saying.
See also: 事実は小説より奇なり
彼の人生はまさに事実は小説よりも奇なりだ。
His life is truly a case of truth being stranger than fiction.
Calque from the English proverb 'truth is stranger than fiction'.