Haw. Rev. Stat. § 657-34: Disabilities.

If, when right of entry or of action first accrues as aforesaid, the person entitled to the entry or action is within the age of eighteen years, or insane, or imprisoned, such person, or anyone claiming from, by, or under the person, may make the entry or bring the action at any time within five years after the disability is removed, notwithstanding the twenty years before limited in that behalf, have expired.