https://www.cmoa.jp/title/298454/
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://ebookjapan.yahoo.co.jp/books/958126/ A normal high school girl, Umika, had a childhood friend she had spent time with ever since they were little. His name was Haru. They were closer than family, and it was natural for him to always be by her side.However, seven years ago, after Umika's parents divorced, Haru suddenly began avoiding her. As time passed, they grew distant. Before she realized it, Haru had become extremely popular with the girls at school and was rumored to be someone who "never turns anyone away," almost like a beast.Meanwhile, Umika spent her days busy working part-time jobs. Little by little, the worlds of the two drifted apart.Then one day, Umika ends up trapped alone in an elevator with Haru. Until the elevator starts moving again, the two talk for the first time in seven years. Suddenly, Haru says that there is "someone he will never be able to make fall for him in his entire life."And then he suddenly kisses Umika!?
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)