to be frank;  to speak one's mind;  to open one's heart;  to have a heart-to-heart talk (with someone)
 mind of the emperor;  inner feelings of the emperor
 unbuttoning a collar;  opening up (one's heart);  open-necked shirt
 magnanimity;  generosity;  welcoming personality
 black headgear worn by yamabushi
 (one's) inner thoughts;  feelings