Peking Opera Cat: the Promise Under the Peach Blossom

(BE+HE double ending+CP darkness+HB+system+reincarnation) "Have I traveled through time?" [Yes, the host is big. "How can I live without forgetting the plot?" "The first disciple is the big villain in this world? He was raised crookedly..." "The second apprentice is the Grand Palace Master of the Shen Sect? He has become a crook..." "The third student is the main protagonist of Destiny's Child? After raising him..." The co-author is my mother's excellent teacher gene, but she didn't inherit it at all? The peach blossoms are in full bloom in March. Under this tree, the promises made in the past life are fulfilled in this life. "Hang yourself with a hook and don't change for a hundred years!" "We agreed to hang ourselves with a hook, but we won't be allowed to change it for a hundred years...? "Don't worry, I will keep my promise! " "Don't worry... I have kept my promise..." Past life, present life, or a dream? (Dual-line plot plus many extra chapters, the main plot progresses slowly, there is no outline, and the writing style of an elementary school student, please forgive me)