Improper Spare Tire for Men [Quick Wear]

The female protagonist belongs to the male protagonist, and the male supporting character belongs to everyone, so the male supporting character deserves to be the spare tire? Obviously his family background, background and character are not inferior to those of the male protagonist, so why can the male supporting actor only regress? Male supporting actor: I want to be the boss! Rejecting the spare tire starts with me! Lightning Rod (Must Read!!!) (1) Male-oriented and female-oriented, but some worlds may not have CP, so please be careful before entering! Intention: The male supporting character turns around and counterattacks