illegitimacy (being born out of wedlock)

a privately-owned ricefield, especially one under the historical 律令 (Ritsuryō) system

personal grudge

Kyūjitai form of 私鉄 (“private railway”)

後背位: doggy style

言いつけ, 言い付け, 言付け: orders, instructions, command

許嫁, 許婚, 言名付: (historical) an arranged engagement, wherein both sets of parents promise that their children shall wed, generally arranged while the children are still young; (rare) a fiancée (female) or fiancé (male)

委員長: committee chairman / 医院長: head doctor

誠心誠意: in all sincerity; with one's whole heart

性交体位: sex position