Divide too late

An Chen was born in the A family with the upper two elder brothers and the lower younger brother, both of whom are excellent A. He also thought he was an A, but he didn't expect to suddenly split into O in that year. According to what he learned since childhood, only O can There is no need to do anything to give birth to A and O. Their duty is to give birth at home every day, and giving birth is their whole life.However, he thought he was A before he was 2 years old, and he thought he was B before, so what should he do with the life of O?Moreover, he has also differentiated into an extremely rare and excellent O, which matches more than 1% of the empire's A. Life is really full of thrills? ?Presumably there will be children. Alpha Classification: Excellent, Normal, Inferior Omega Classification: Extremely Excellent (Very few people are rare), Ordinary, Inferior Demining: Dog blood everywhere ┃ Search keywords: Protagonist: An Chen┃ Supporting role: Jing Yulan