Under the banner "love that lasts a lifetime", Leverkusen announced the "special promotion for the end of a special season".
Leverkusen, the Bundesliga champions who have also reached the May 25 German Cup final, played their 49th match without defeat in all competitions, surpassing Benfica's long-standing European record set from 1963 to 1965.
Xabi Alonso's Leverkusen, who have 40 wins in their unbeaten run, face Atalanta in the May 22 final in Dublin after the Italians comfortably got past Olympique Marseille.
Xabi Alonso's rampaging Bayer Leverkusen will have an additional incentive in Thursday's home second-leg Europa League semifinal against Roma: breaking a 59-year-old European football record.
Bundesliga champions Bayer Leverkusen extended their season-long unbeaten run to 48 games with a 5-1 win at Eintracht Frankfurt on Sunday.
Leverkusen won their first meeting with Roma in almost 20 years.
Leverkusen's superiority was fully on display.
Leverkusen have now scored 16 goals in stoppage time in all competitions this season
Leverkusen are four games away from becoming the first team to go through a Bundesliga season unbeaten.
After years of heartbreak and being dubbed "Neverkusen" for their string of runners-up finishes, Bayer Leverkusen finally broke through to claim their first-ever Bundesliga title. Their 5-0 victory over Werder Bremen last week secured the trophy, marking a watershed moment in the club's 119-year history. Although they have enjoyed intermittent cup success, this league title signifies a shift in their fortunes.
Whatever Alonso said at halftime clearly worked.
"We want more. We want the (German) Cup, we want Europa League," the 42-year-old said over the stadium PA to thousands of Leverkusen fans after his side 43rd straight match without defeat.
The team made sure of their first trophy in 31 years with five matches left in the season.
The German equivalent of "Neverkusen" is "Vizekusen", which translates to "the champions of second place".
Leverkusen's 5-0 win over Werder Bremen at home on Sunday, including a second-half hat-trick from Florian Wirtz, sealed a first Bundesliga title in their 120-year history.
Bayer Leverkusen's record-breaking run to their first Bundesliga title was no fluke, with a 16-month plan coming to fruition.
Xabi Alonso's team, who have now gone a league-record 29 matches without defeat this season to secure their first trophy since 1993, have a 16-point lead over Bayern with five matches remaining.
Bayern's win means Xabi Alonso's Leverkusen, 13 points clear of the Bavarians, need to beat Werder Bremen on Sunday to lift the Bundesliga for the first time.
Xabi Alonso's Bayer Leverkusen of 2023-24 stand on the cusp of greatness, with just 11 matches theoretically between them and a record undefeated season for a top-five European league team.