Lu Ding-Hao (English name: Haru) is a Chinese singer. In 2018, he joined "Idol Producer". After his appearance on "Idol Producer", he joined the group, "TANGRAM". On August 26, 2019, he stated his personal Weibo that he had terminated his contract with Banana Entertainment and now, under his own Lu DingHao Studio. He debuted with the single “Blue (蓝)” on December 6, 2019. In 2021, he participated in the Tencent survival show 'Produce Camp 2021' as a contestant and was eliminated in episode 7, where he ranked 41st.