HIS Launches Special Plans for Atami and Noboribetsu Onsen Tied to Ninjaboy Rantaro Collaboration Events

Starting at 6:00 PM on October 20, 2026, HIS is selling special tour and hotel-only plans for the TV anime Ninjaboy Rantaro collaboration events at Atami Onsen (from November 13, 2026) and Noboribetsu Onsen (from November 20, 2026), both running through March 28, 2027, with original goods for guests.