On the 26th, Seibu Lions announced that they would hold six regular season games at Belluna Dome from April 28th to May 6th as a "Family Festival." At the same time, they also announced that they would hold "Pokémon Baseball Festival 2026" during the games against Softbank Hawks from May 4th to 6th.

pitcher Chihiro Sumida (26), who grew up familiar with Pokémon from a young age, commented enthusiastically through the team: "Congratulations on the 30th anniversary of Pokémon. I'm really looking forward to this event with Pokémon, which I've been playing with since I was little. I heard that The Lions' team partner Pokémon is Pyroar, and I thought it was interesting how it matched the lion. By the way, my favorite Pokémon is Infernape, which is the same fire type as Pyroar! During the event, we will be distributing The Lions original Pokémon T-shirts and holding events where you can interact with Pikachu, so please come to Belluna Dome!" On the first day, the 4th, The Lions original Pokémon T-shirts will be distributed to attendees. Also, from the 4th until the 6th, Pikachu will be "visiting" Belluna Dome, and there are plans to hold a "Pikachu Welcome High Five" before the game and a "High Five with Pikachu! Base Running" event for junior high school students and younger after the game every day.