Honkai Impact 3rd: Don't Die For Me/ Book 1: Promise

===== The story is In the Process of Being Rewritten/ Polished. 7/6/2022 9/25/2022. Starting to apply rewrite chapters. The aim is a chapter per week. Thank you for your patience! ===== Ever since they met at the age of seven Kallen and Otto shared a foolish dream that they could change the world for the better. That...