Tenryu Hamanako Railway × Otomachi Una × Station Memories! Series Collaboration Campaign Announced

Published: March 2, 2026
Tenryu Hamanako Railway × Otomachi Una × Station Memories! Series Collaboration Campaign Announced

A collaboration campaign bringing together Tenryu Hamanako Railway, virtual singer Otomachi Una, and the location-based game series Station Memories! is set to get underway on April 21, 2026. Titled "10th Anniversary! Ride the Tenryu Hamanako Line with Otomachi Una and the New Unapippi Go!♪ Tenhamansen Travel," this marks the second installment in the ongoing Tenryu Hamanako Railway × Otomachi Una × Station Memories! series collaboration.

Campaign Overview

The campaign centers on a digital stamp rally that takes players to stations and tourist spots along the Tenryu Hamanako Railway. Completing all missions rewards participants with an exclusive in-game collaboration film featuring Otomachi Una. BIG panels featuring the character will also be on display at various locations, and collaboration merchandise will be available for purchase on-site.

In addition, the 2021 Otomachi Una gacha will be re-released during the campaign period. Starting in July, a mutual campaign with Izu Kyuko Railway is also planned.

Campaign Details

Campaign Period

April 21, 2026 (Tuesday) 5:00 AM – September 30, 2026 (Wednesday) 11:59 PM

Target Stations (partial list)

Kakegawa, Enshu-mori, Tenryu-Futamata, Kanasashi, Oku-Hamanako, and more

Target Spots

Railway History Museum, Nagasaka Beekeeping Farm

In-Game Reward

Limited collaboration film: "Nemophila and Una in an Outing Mood"

Merchandise for Sale

Clear files, acrylic keychains, commemorative tickets

Novelty Giveaway

Postcards (limited quantity; one per player across the Station Memories! series)

Special Displays and Decorations

Various displays and decorations are planned at target stations and on trains throughout the campaign period.

For full event details, reward distribution information, and merchandise details and sales locations, check the in-game announcements.