Raika Hojo is a character from the multimedia franchise Ensemble Stars!, specifically introduced in Ensemble Stars!! as a member of the idol group ALKALOID. Raika is known for his earnest and straightforward personality, often acting as a reliable presence for his group. Despite his somewhat serious demeanor, he is deeply passionate about music and performing. Raika plays a significant role in ALKALOID's growth and success, often providing support and guidance to his fellow group members.