After I Became a Magical Girl, My Brother's Supreme Bone Resonated with Mine

「Gender Bender」「Magical Girl」「Fallen Nobility」「Slave」「Western Fantasy Magic Otherworld Continent + A Touch of Lovecraftian Horror」「Furnace」「Female Protagonist’s Perspective」 Oh~ “Collar,” huh? What a terrible yet exciting word~ “Put this on, Furnace. Be proud to become my loyal dog, the most useful tool for the future head of the Hard family!” Greed that could swallow everything stirred in the cold-eyed man’s gaze. Ryan Hard, a lucky man given a second chance at life, still vividly remembered how alone and helpless he had been in his previous life. Domeil Hilvey, the man who joked about everything and walked smiling toward his own doom. My brother, this time... “I won’t let you die again…” The seemingly cold collar clasped tightly around the girl’s neck, but it also bound their fates together for good… “Ryan, dear~!” Wearing a flowing white dress that accentuated her graceful figure, the girl cheerfully skipped up to the man like a fairy. “What should we play today~?” She tilted her head as if pondering a difficult question. “I’ve got it! Let’s play this~” A fragrant breeze swept over him, and the man looked helplessly at the collar that had suddenly appeared around his neck. “Fine, whatever you want.” The girl who had watched it all from the side pouted in displeasure. “Dad gets picked on every day and never fights back. Dad’s such a loser.” “Hmph~ He deserves to get picked on.” Happiness filled the air. That was a story from many years later…