https://www.cmoa.jp/title/335060/
For 300 years, knights have formed units and competed by shattering the life stones attached to each other's helmets—combat competitions have replaced war as the destiny of nations. Born in a village that produced many excellent knights, Nina, who couldn't handle a sword like the girls around her, had been ridiculed as a "failure." However, Licht, who saw Nina participate in a regional competition, discovered her talent with a bow and invited her to join the Knights' Order...!? (Source: Shueisha, translated)
https://www.cmoa.jp/title/340700/
Three hundred years have passed since "combat competitions" replaced "war" as the destiny of nations. Nina, considered a "failure," has her talent for archery discovered and becomes a member of the Lillie Kingdom Knights. At the annual Western Region Cup, Nina encounters a female knight suffering from the after-effects of an injury. In their first match, Licht sacrifices his own victory to protect Nina. Nina, however, struggles with the desire to be an equal knight, rather than just being protected... (Source: Shueisha, translated)