MTL - Arbor Siluo Depend on Each Other - Chapter 20 you are so cute

[Across the Stunning Beast Princess: Phoenix Against the World]

She, First Princess residence’s only legal daughter, yet known as a waste throughout the whole country!

When her cold eyes opened, she is the 21st Century’s most dangerous genius assassin!

When the sickly young miss exposes an edge, she is absolutely brilliant, and countless men and women in the world greatly admire her……

He is the absolute king of the night, cold blooded and ruthless. In troubled times, he by chance meets her, a zither and flute ensemble, since then in heaven and earth, life and death go hand in hand.

- Description from Novelupdates

From the day Qin Luo acquired the system, he set his sights on the aloof school beauty.The first time, Qin Luo brought milk tea to confess his feelings and was rejected.The 12th time, Qin Luo brought breakfast to confess his feelings and was rejected.The 48th time, Qin Luo brought roses to confess his feelings and was rejected.The 99th time, Qin Luo stood outside the dormitory loudly confessing his feelings and was rejected.Inside the girls’ dormitory, the school beauty waited and waited, but Qin Luo’s 100th confession never came.She took the initiative to find Qin Luo and asked, “Why didn’t you come to confess?”Qin Luo responded, “Miss, do we know each other?”The school beauty: “???”The next day, the school beauty appeared holding milk tea.Classmates exclaimed, “She broke character! The aloof school beauty broke character!”

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Igor had asked him to die for the world. She would ask him to die for her. Problem was, he didn't really like dying, not for a second time, at least.