Nigatsu no Shōsha: Zettai Gōkaku no Kyōshitsu (二月の勝者 ―絶対合格の教室―, "The Winner of February-An Absolutely Qualified Classroom") is a Japanese manga series written and illustrated by Shiho Takase [ja].

It was serialized in Shogakukan's seinen manga magazine Weekly Big Comic Spirits from December 2017 to May 2024, with its chapters collected in 21 tankōbon volumes.

Written and illustrated by Shiho Takase [ja], Nigatsu no Shōsha was serialized in Shogakukan's seinen manga magazine Weekly Big Comic Spirits from December 4, 2017,[1] to May 20, 2024.

[2] Shogakukan collected its chapters in 21 tankōbon volumes, released from February 9, 2018,[3] to July 11, 2024.

[29] The series won the 67th Shogakukan Manga Award in the general category, along with Don't Call it Mystery, in 2022.