Glass no Isu

A young boy named Izuru once told his sister about the importance of perfection in carpentry while building her a chair, which she cherished deeply. Inspired by him, she aspired to become a master carpenter herself. After high school, however, Izuru chose a different path, distancing himself from his sister over time. Now an adult, she has become a skilled carpenter known for crafting flawless chairs, but her relationship with Izuru remains strained. Despite this, she longs to reconnect with him as their family faces an emerging mystery and threat.