Wen and his little brother, Li, start out as members of the Shadow, an evil group of B-da Players. He and his brother have been B-Daman players all their lives and work extremely well together. They attack in sync and combine their B-Daman for extra power. After he left Shadow group he was with Yamato.In the last episodes when Li rejoined to Shadow group he was very sad.After his battle with Li, Li again left Shadow group. (Source: Absolute Anime)