Sūji de Asobo.
Sūji de Asobo (数字であそぼ。; lit. 'Playing with Numbers') is a Japanese manga series written and illustrated by Murako Kinuta. It has been serialized in Shogakukan's josei manga magazine Flowers since June 2018, with its chapters collected in fourteen tankōbon volumes as of July 2025. The series won the 69th Shogakukan Manga Award in 2024. Source: Wikipedia (en)
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