Wit's manga / #Professor(2)

Louis and Nick have been dating for seven years, but that all ends when Nick breaks up with Louis to marry a woman. Understandably upset, Louis gets on well enough, until Nick's younger brother Theo turns up as a student is his college course. And boy does Theo have a strong brother complex, to the point that he wants to get to know Louis because he used to date his brother. Starts off a little dark but ends very happily

An omega professor gets a recessive alpha grad student who is very ambitious. After finding out the professor is an omega who needs to regulate his hormones more safely, the student draws up a contract for them to be sex partners so he can successfully become a professor. I wanted our poor side dominant alpha to also find love, I feel like there was something that could've been done here but oh well