Off-court sister (also translated as "out-of-range sister"), whose real name is unknown, is a mysterious figure.
Eye shadow is similar to Akai Shuuichi and Sera Masumi. Seems to be very weak, and Sera Masumi lived in a hotel. Edogawa Conan, who introduced Shiliang, didn't fully trust him and said, "If he can't be the expected candidate, we must leave immediately and explore new fields.
From Baidu Encyclopedia