いちれん一連ichiren
1.
A connected sequence of related events, actions, or items that form a cohesive whole.
2.
A continuous arrangement of items, such as dried fish or vegetables, that are linked together by a string or thread.
3.
A single unit representing a quantity in a larger grouping, such as a stack of paper or a length of string.
Example:
彼らは一連の音楽会を開催した。