Koichi Soma

Haruhiko Ichijou and Mai Kawakami are two of those that were granted such power as Haruhiko wields the ability to summon and seal phantoms through drawings while Mai imbues the power of the elements into martial arts. Together, along with the friendly phantom Ruru, they form Team E of Hosea Academy which is dedicated to dealing with these often mischievous beings. (myanimelist)

In the era known as Bakumatsu, there was an assassin known as Hitokiri Battousai; eleven years later he returned as a wandering swordsman, Himura Kenshin.

Fourteen warriors set out to prevent an invasion, but only seven return. Three died along the way, and four were slain for betraying the empire. (primevideo.com)