Douluo Continent: I teach and nurture students at Tianshui Academy!

He transmigrated to the world of Douluo Continent, awakened the Sun and Moon Martial Souls, and became a Title Douluo at the young age of twenty. Because of a promise, he joined Tianshui Academy and became the honorary vice dean of the academy, beginning his path of educating people as a teacher.
In Wuhun City, during the [Conferment Ceremony], he killed five Title Douluos with a single move, making him famous throughout the continent and awe-inspiring among the Douluos. From then on, the name "Haoyang" overshadowed "Haotian"!
In the far north, you encounter the Ice and Snow Emperors, form a pact with them, and become soulmates, sharing life and death!
To spread the method of Soul Contract, solve the problem of Soul Masters using Soul Rings, and benefit the continent.
Overturning the so-called ten core competencies of martial spirits, exposing the fraud master.
Leading the Tianshui Girls' Team to victory in the Soul Master Competition, they utterly crushed Shrek Academy!
The Martial Soul Pope fell in love with him, the Angel Goddess became his fangirl, the Blue Silver Emperor was his bonsai, the Silver Dragon King was his mount, and the High Priest of the Sea God offered him eternal faith!
Gu Shengge: "You can call me Teacher Gu. If you don't like that, you can also call me Haoyang Douluo, Lord of the Bright Realm, Sun Saint Emperor, God of Chaos, Ragnarok, Creator of the God Realm. I can accept all of those titles."
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(Multiverse-themed, protagonist is invincible, other elements are optional)