陰裏の豆もはじけ時（かげうらのまめもはじけどき）

Japanese vocabulary

Meaning: all girls eventually awaken to sex; even the seed growing in the shade will burst open

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “陰裏の豆もはじけ時” pronounced in real videos (YouGlish)