Yarinaoshi Akuyaku Reijou wa, Osanai Otouto (Tenshi) wo Dekiai Shimasu

Claire, the Duke's daughter, was condemned as the "Witch of the Night" and executed. Mysteriously, she finds herself back at the age of 12. Determined to avoid her previous tragic fate, she resolves to improve her relationship with her brother Phil, who had sentenced her to death. However, young Phil turns out to be adorably angelic. Vowing to cherish her cute little brother this time, Claire embarks on a path of doting affection. As she navigates her second chance at life, her journey takes an unexpected turn, involving noble succession disputes and a kingdom on the brink of civil war.