Douluo: Left Thunder, Right Flame, Demon Aids Me

Multiple heroines + Invincible flow + Abusing Master. Lin Fan transmigrates to the Douluo Continent, living in the Spirit Hall Orphanage for six years. Upon awakening his martial soul, he binds the All-Class Mage System, awakening with dual thunder and fire elements, innate full soul power, and the ability to use soul skills without soul rings. The current Pope, Qian Daoliu, learns of this and has Qian Xunji take him as a disciple... The era Lin Fan has transmigrated to is decades before the main timeline. At that time, the future Pope of Spirit Hall, Bibi Dong, is his junior sister, and the Haotian Twin Stars are just emerging. Seven-year-old Lin Fan participates in the Continent-wide Advanced Academy Soul Master Competition. Can he lead the Spirit Academy to a five-peat? ... "What, my junior sister Bibi Dong has become my little follower!" "What, that Tang Hao has actually formed a Dao companion with a hundred-thousand-year-old transformed Lone Bamboo Emperor?"