[AO article] + [Interstellar Mecha] + [Double Strong Growth] + [Marriage first, love later]
Sikong Jun is the youngest lieutenant general in the empire, but he has a fatal weakness. His pheromones are overloaded. Once out of control, the mecha may be destroyed. In a battle, Sikong Jun's pheromones were out of control and destroyed the nervous system of the white tiger (mecha). Both Bai Hu and Sikong Jun were forced to come down from the front line and return to White Horse Star for training.
The marshal listened to the doctor's advice and arranged a marriage for Sikong Jun. By coincidence, he married the third prince wearing a painter's vest.
The third prince has been well protected by his family since he was a child, but he has a great ambition, an ambition that is different from his current life. He has been looking for an opportunity to realize this ambition. When he saw Sikong Jun, he knew that this person in front of him could help him realize his ambition, so he pretended to be a "love brain" and swore that he would not marry unless he asked his father to marry him. However, the other party responded with "The role of a powerful general is far greater than that of a prince husband", but there seems to be a turning point.
[Background 1] The royal family has its own rules of succeeding to the elder rather than the younger, but the current emperor is the second oldest. The reason is for no other reason than that the current emperor's brother once worked for interstellar pirates. When this brother quit the interstellar pirates, he also brought out a baby. This baby was the heir that the first interstellar pirate had been looking for. This brother secretly hid the child as a bargaining chip to prevent them from attacking the empire.
[Background 2] Rumor has it that there is a passage to another planet in the sea of the Central Emperor Star. That planet is inhabited by a half-human, half-fish siren. It is said that the current eldest prince was saved by a mermaid when he was young...