数 (Kanji for integer, to count)

Onyomi

SUU

The director makes SUE (a woman) count all the damn rice, until she knows the exact number of kernels.

かず	a number ★★★★★
かぞ＊える	to count ★★★★★

多数(たすう) の xxx	a big number of XXX ★★★☆☆ 多 (many) + 数 (integer, to count) = 多数 (a big number of XXX)
数字(すうじ)	a numeral - 1,2,3, etc. ★★★☆☆ 数 (integer, to count) + 字 (letter) = 数字 (a numeral - 1,2,3, etc.)
数学(すうがく)	mathematics ★★☆☆☆ 数 (integer, to count) + 学 (knowledge) = 数学 (mathematics)
少数(しょうすう)	minority ★★☆☆☆ 少 (a little (amount)) + 数 (integer, to count) = 少数 (minority)

toDAY's topic is a BIG category: the number of WOMEN with imaginary HEARTS.