A Pact Between Me and a Cute Immortal

[A cute fairy loses her memory and descends to the mortal realm, while a gentle young man is bent on revenge. A slow-burn story with both sweetness and heartbreak. Come on in~] A fantasy continent, a world overrun by monsters. Four kingdoms divide the land, and mortals dare to challenge the demons. Grudges never end, and battles never cease... Amid this boundless world, who sweeps through the air with fluttering sleeves, shattering mountains and rivers with a wave of their hand? And who carries deep hatred in their eyes, faces certain death, yet falls for one person above all else? The endless cold seemed to melt at last, like winter snow beneath the spring sun. A smile gently lifted the corners of his lips. From then on, all he wanted was to protect those eyes that had vanished into the falling snow. In this world, it has never been the realm that was in turmoil, but the trembling hearts within it.