TW⚠️: Kissing K!ll!ng Experiments Sensitive Words When the twins finally reunited again, Dainsleif will make the Calvary Captain the next Prince/Ruler (AU only, not canon) Character's Names: Kaeya Alberich💙 Dainsleif 🖤 Aether🔶 Lumine💛 Amber🐰 Collei💚 Dottore👨‍🔬 Credits to the rightful owners