Don’t Be Carelessly KindDon't Be Too Nice; 함부로 친절하지 말라; Don’t Be Carelessly Kind; Don’t Be Carelessly Friendly

For centuries, Rustica Genesis, a brilliant knight of the Kaleta Empire, known for battling against the persistent barrier and endless wars, found herself acclaimed. However, as if in a lie, all her strength vanished overnight. Following this, a mysterious man named Hayden, who appeared before her after four years of wandering like a beggar, shared a sweet night with her. Hayden seems to remember Rustica from the past. Meanwhile, the Emperor of Kaletha summons her, who had been wandering like a beggar for four years, and dispatches her as a diplomat to the Perseta Empire, a longtime enemy beyond the crumbling barrier. Will Rustica, the former knight who lost all her strength, be able to rediscover her past self?