a sexual relationship between two people in which at least one of them is already committed to someone else
a relationship formed between people or groups based on mutual experiences, ideas, feelings, etc.
a blood relative who lived a long time ago, usually before one's grandparents
先祖,祖先
a large family group consisting of parents and children that might also include grandparents, aunts, or uncles
a person who takes someone else's child and raises them without legally becoming their parent
either of two children or animals born from the same mother at the same time who are very similar in appearance
the state in which a couple decide to live apart while they are still legally married
the act or fact of taking someone's child and growing them up, which has been approved by law
showing a level of love or care that one would only expect a brother to have
兄弟の,兄弟的な
(of a group of people) having a strong friendly relationship with shared interests
to have a secret romantic or sexual relationship with someone other than one's own partner
to look or act like an older member of the family, especially one's parents