Haiwei×Diga. Also known as Thirty Million Years of Love Debt, with ooc
Literary design ① Diga is Diga, and Dagu is Dagu. There is no influence on either side.
Literary design ② Carmilla and Diga are just former teammates [I will hook up with this pair one day]
Literary design ③ Dagu returned to Earth from Mars
Concept: A sweet and sour short story