Lee Roha is a female Korean VTuber affiliated with Nijisanji. She first debuted in August 2020 as part of the third wave of Nijisanji KR. Roha, who is half-Japanese and half-Korean, presents herself as an idol studying at a Japanese college, but her true identity is that of an aspiring space idol from another world. With her charming and energetic personality, Roha has gained a dedicated fanbase known as "Proha." She is skilled in piano and regularly streams her performances, showcasing her unique "Half 3D" playing style, where she syncs her electronic piano with MIDI, Unity, and Blender to create a visually immersive experience. Apart from her music, Roha is known for her love of flower arranging and visiting art/music exhibitions.