The Underwater Train (Chapters 1 - 3)

Ayumi’s father is the CEO of his company and is building a new train - the first underwater train ever. After a small incident, Ayumi suspects that there is a criminal on the loose, ready to destroy all the plans The Underwater Train Company have … and its workers. She sets out to find the culprit before it is too late, but the hijacker may be a lot closer than she thinks.
Truth is revealed and people around her deteriorate. Who can she trust? What price must she pay? Or will these events kill her? There is one thing that is certain: she will suffer the consequences of her choices.