Retired Dark-Skinned Handsome Guy X Frail and Rich CEO

Retired dark-skinned handsome guy A retired mercenary returns to the university campus to study for graduate school. His tutor is an academic boss and his father whom he has not seen for many years. Graduated smoothly without any suspense and seamlessly joined xx. The cute junior student is enthusiastic and active. When he first started working as a laboratory assistant, he took the initiative to clean bottles for his senior brother. Once he graduated, he was appointed to be in the same department with him. The handsome brother of his cute junior brother is his boss, and he has great looks. He is not the head of the department, but he is called by the president to report on his work. The CEO is elegant, weak and hard to mess with, but he can hold him up with one hand! President: Let me see who fascinated Ou Doudou! Ah... There is indeed something. Cute little brother: addicted to academics and unable to extricate himself! … I haven't written BL before, but this one is so delicious. It was originally called "The Most Bad Goldfinger in History", but the outline was very poor, so it was changed. [Lightning Protection] Well, I didn't go to graduate school... I got a diploma and ran away quickly. I am a liberal arts student with strong limbs and a simple mind. Try your best to hold your friend's lap and ask for many details. If there are any errors or omissions in the logic, please point it out. (The smaller ones should be regarded as parallel spaces. If there are serious mistakes, I will correct them)