On the 26th, Seibu Lions announced that from July 31st (Friday) to August 26th (Wednesday), they will be offering the popular Splash Seats from last year, as well as distributing items to attendees during the period and holding special live events after games.

During the same period, the first-team regular season held at Belluna Dome will be held as a new major summer event called "Aofes 2026".

The "The Lions Splash Seats [Left]" are seats located in the left field stands of The Lions' cheering section, where fans can enjoy the spectacle of large amounts of water being sprayed when The Lions score or during inning events. Introduced for the first time last year, they sold out for all games. This year, the number of seats has been increased by approximately 200 and will be sold for 9 games until August 16th (Sunday).

Prior to the game, a "Splash Stage" will be held on the same dates, where fans can enjoy getting soaked with Leo, Raina, and the team's official performers, bluelegends. Additionally, at the game against Softbank Hawks on August 8th (Saturday), a blue "ball-shaped handy fan" featuring the Leo logo will be distributed to all attendees, and at the game against the Lotte Marines on August 15th (Saturday), a blue "mesh hat (with sunshade)" will be distributed to all attendees.

Additionally, on the 2nd (Sun), 9th (Sun), 14th (Fri), and 16th (Sun), a blue "Kids Cooling T-shirt (2 types)" with a smooth and comfortable feel will be distributed exclusively to elementary school children and younger. Furthermore, at Orix Buffaloes game on the 1st (Sat) and Orix Buffaloes game held at Tokyo Dome on the 18th (Tue), the "Aofes jersey 2026" will be distributed to all attendees, with the exception of some seats.

Furthermore, after the games on Saturday the 1st, Saturday the 8th, and Sunday the 9th, a special light event called "AOFUL SHOW" will be held, where fans can enjoy music and a stadium bathed in blue light. In addition, popular artists will be making appearances on multiple dates. Female singer-songwriter miwa will appear at the game Orix Buffaloes on Sunday the 2nd, artist SEAMO will appear at the game against Lotte on Saturday the 15th, and on Sunday the 16th, the hip-hop group HOME MADE Kazoku, who sing Takeya Nakamura 's entrance song "Mukaikaze," will be in attendance, appearing at the ceremonial first pitch before the game and livening up the stadium with a special live performance after the game.

Further event information will be announced on the special website and other platforms as soon as details are finalized. Tickets for the "Aofes 2026" period from July 31st (Fri) to August 26th (Wed) will go on sale sequentially starting with a fan club pre-sale lottery on May 29th (Fri).