noun
Climax Series; NPB playoff series
Refers specifically to the annual postseason playoff system used by Nippon Professional Baseball (NPB) in Japan. A wasei-eigo term not used in English baseball contexts.
wasei-eigo (Japanese-coined English)
今年のクライマックスシリーズは盛り上がった。
This year's Climax Series was exciting.
クライマックスシリーズのチケットが
I couldn't get tickets for the Climax Series.