[Comprehensive British and American] a Century-Old Love Letter

In the winter of 1920, Cecilia Wayne, the youngest daughter of the Wayne family, disappeared without warning. The Wayne family tried their best to search for her for 10 years without success. The heartbroken couple left a small stone monument in the shape of a cradle for their little daughter among the rose bushes in the back garden. In the summer of 100 years later, a girl in "fancy clothes" appeared on the streets of Gotham. Cecilia Wayne, who was carried by the system and traveled through 10 worlds - finally! At! Come back! Home! Got it! A certain Hei Qiqi: I am darkness, I am fear, I am... Okay, my aunt, I understand. My aunt, break the jaws of those bastards and I will go home, very quickly. A certain tin can: If you want to have a good relationship with Cecilia, it's best for you to be like a brother and a sister... Well, it's not impossible to be like a brother, hahahahaha. A certain big|breasted sweetheart: I am the person of yesterday... Okay, Cecilia, put down your weapons. I am not old. I am not old, so you are not old either, really. A certain red bucket: About the fact that I like my little aunt, and a distant relative of her grandson once tried to be my father. For Jason, Cecilia is a love letter sent to him by the world, traveling through hundreds of years, just for him. Tips before reading: 1. Barrel x heroine, semi-cultivated series. Pretending to be a domestic dog in front of the heroine, he is actually as ferocious as the male protagonist × his unique brain circuits and his combat prowess make the heroine extremely powerful. 2. Due to Cecilia's violent attack on her love, the number of birds in the Batcave is -1, and a certain disturbing elder who is dark and unrecognized is +... 10086? 3. Bully the big bat every day. The author Abat is a fan, the more fan he is, the darker he gets. But I have to believe that my uncle still loves him very much. 4. The heroine has a strong golden finger, and the superhero friend is taken away. The timeline is just a cloud, don't do any research. [2022.4.14 Screenshot posted on Weibo] Intention: Always yearn for the light