What is the test for reversal of a jury verdict in a sexual assault case?

innocence, it is the jury, . . . that must be convinced of the defendant's guilt beyond a reasonable doubt. [Citation.] ' "If the circumstances reasonably justify the trier of fact's findings, [our] opinion . . . that the circumstances might also reasonably be reconciled with a contrary finding does not warrant a reversal of the judgment." ' " (People v. Kraft (2000) 23 Cal.4th 978, 1053-1054.) "We will not reverse unless it clearly appears that on no hypothesis whatever is there sufficient substantial evidence to support the jury's verdict. [Citations.]" (People v. Upsher (2007) 155 Cal.App.4th 1311, 1322 (Upsher).)