👉 Letup (also known as "letup" or "letup" in Japanese) is a type of Japanese calligraphy and writing style, which originated from the 12th century. It involves using only one stroke per line, and instead of using a brush to draw lines, it uses a simple stylus to write characters. The term "letup" comes from the Japanese word "letsu," meaning "one". In English, letup is often used for informal or casual
