MTL - Throne of Magical Arcana - v9 Chapter 21 initiative

Have you ever thought a monster that has a job of a summoner and a tamer

what should it call itself Monster Summoner? Monster Tamer? but he itself was a monster too

Watch as our mc travels the world as an reincarnated human who turn into a monster

Leon Walker, the world-weary genius of modern world, is killed in a freak accident — the notorious Truck-Kun makes an appearance. Death is only the start. He finds himself reborn in a new world, Galvia, reincarnated into the strong but failing body of Duke Leon Moonwalker, one of the only three Grand Dukes of the Moonstone Kingdom, a minor but strategically powerful kingdom within Galvia. As Leon attempts to understand his new world, a strange voice resonates in his head. “Supreme Spouse System Activated.”.

In the past, the giants of the heavens and the gods were destroyed after the reincarnation of the world! Cruel curse, eternal hatred, Tan Yun is determined to never sink again! For the sake of loved ones and relatives, from now on, step on the corpse of the enemy step by step to surpass the peak! Defying the sky, killing all worlds, I am the only one!

- Description from novelbuddy

In the book, the supporting male lead is the older brother of the female lead. The supporting lead has a cold and desolate personality and is despised by the female lead due to his terminal illness. However, when the female lead acted viciously and was abandoned by everyone, he still protected her, sacrificing everything for her and even dying for her.Su Ci has transmigrated into the book, becoming a little rabbit raised by the supporting male lead, and she has discovered that her life is tied together with this terminally ill supporting male lead.After becoming a little rabbit, Su Ci can only sleep on the supporting male lead’s dusty bed every day, eat withered carrots, and guard against the female lead, who occasionally tries to pluck her rabbit fur. To turn back into a human, she needs to find ways to get close to him every day.The supporting male lead noticed that lately, his pet rabbit always wanted to kiss him. Until one night, he leaned down and kissed this soft little creature, and it unexpectedly transformed into a beautiful little fairy!…The female lead encountered trouble, so she went to look for the supporting male lead, whom she always looked down upon. Unexpectedly, the young man, who was previously poor, down on his luck, and nearing death, had become a scion of a wealthy family in a blink of an eye, and by his side was a girl as beautiful as a fairy.But what made her jealous was that the always-cold and aloof supporting male lead actually kissed that girl gently in front of everyone!