noun (common) (futsuumeishi) entresijos;secretos;lo que ocurre en la trastienda;lo que ocurre entre bastidores

noun (common) (futsuumeishi) lowdown;inside information;hidden circumstances;inside facts;inner workings;undisclosed circumstances

noun (common) (futsuumeishi) historical term only applies to うちまく inner curtain (in a military encampment)