Gintama
99% of Men Aren't Confident in Confessing Their Love / People Who Don't Believe in Santa Are the Very Ones Who Want to Believe, You Contentious Bastard (3x38)
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Part 1 - After so many attempts and failures, Sarutobi and Kondo try to play matchmaker to get the other's love for them to win a bet.
Part 2 - In the second part, Gintoki meets Santa and Ben (his reindeer) as they reunite.