幸福: happiness / 校服: school uniform / 降伏, 降服: capitulation; surrender; submission / 口腹: appetite; distinction between what is thought and what is said

“separate stomach”: appetite or ability to continue eating after a meal: a hollow leg / “separate belly”: in reference to siblings who share the same father but have different mothers

五月, 5月: May

to separate and reunite / (Kyūshū, road transport) to drive on a narrow road in consideration of a car coming from the opposite direction