Mu Ying, an ordinary female college student, traveled to the ABO world, accidentally entered the battlefield and was forced to serve as a soldier for three months. During the Battle of Black Castle, she rescued a skeleton-like man from the infamous Black Castle laboratory.
Later, she learned the man's name - Hessen Lewell.
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Hesson Lewell.
In the history of the Si'ang Empire, he was the only omega officer who achieved the rank of colonel with outstanding achievements at the age of only twenty-eight. He was also the first brigadier-level genius in Si'ang's history whose merits were reduced due to gender and failed to become a general.
Just three years ago, this great omega officer mysteriously disappeared during a battle, and even though Qianxun could not find any trace of him.
Three years later, a soldier rescued him from the infamous Black Keep underground laboratory.
It is said that he is the only one in that laboratory... An omega.
Concept: Flowers will bloom in the dark