Our little wives, don't dare you run away from us

this is omegaverse,

Takemichi and Kazutora are omega they have love each other since they in high school.Now they live together even though their parents don't allow them to love because they are omeagas and their parents want them to marry rich alpha (their parents just want their sons to live happiness with the rich man who have alot of money and can protect them,they just worry because their sons are omeagas if there someone harm them,they can't protect themselves).But one day when they turn to 22 year old their heat coming while they in the club ( graduation party)that day change their lives they enjoy their heat with their fate mate who used to bully them.2 months after they found themselves are pregnant they didn't know what do to but keep it.5 year later their kids grow up and their face look alike to their father but they don't know that their fate mate are looking for them.