裏面

nounうらめん · uramen

1. Englishback (side); reverse

2. EnglishB side (of a record)

3. Englishsecret levels; hidden levels; post-game content

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)

nounりめん · rimen

1. Englishback (side); reverse

2. Englishthe inside; background; dark side (e.g. of society); behind the scenes

   • ポールは会計報告の裏面操作について知識があったので、その隠れた才能を発揮して必要なものを全て手に入れていた。Paul's knowledge of creative bookkeeping has been the secret of his ability to get all the staffing he needs.

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)