Cassiel, a 28-year-old man, tired of his mundane life, finds himself entangled in an adventure after seeing apparitions of his imaginary friend, Blue, in real life. With the purpose of getting Cassiel to rediscover music and happiness, Blue seeks to become a real person, but the path to achieving this is not so simple when adult life is complex and no longer filled with illusions. A story of friendship, personal growth, love, a hint of mysticism, and above all, art