Comfortable Accommodations ハッピーキス双葉店 in Kai offers adults-only rooms with private bathrooms, air-conditioning, and modern amenities. Each room includes a spa bath, private open-air bath, and free WiFi. Relaxing Facilities Guests can unwind in the open-air bath or hot tub. Additional facilities include a elevator, 24-hour front desk, full-day security, bicycle parking, and free on-site private parking. Dining Options Breakfast is available in-room with American and Asian selections featuring warm dishes. Room service and karaoke enhance the stay. Convenient Location Located 54 mi from Matsumoto Airport, the hotel provides easy access to local attractions.