'Playing with Numbers') is a Japanese manga series written and illustrated by Murako Kinuta [ja].

It has been serialized in Shogakukan's josei manga magazine Flowers since June 2018, with its chapters collected in twelve tankōbon volumes as of September 2024.

Written and illustrated by Murako Kinuta [ja], Sūji de Asobo started in Shogakukan's josei manga magazine Flowers on June 28, 2018.

[2] Shogakukan has collected its chapters into individual tankōbon volumes.

[3] Along with The Elusive Samurai, Frieren: Beyond Journey's End, and Trillion Game, Sūji de Asobo won the 69th Shogakukan Manga Award in 2024.