Arc 1The Workhouse and Moriarty

Lanny survived the Workhouse case, became entangled with Sherlock and Mycroft, and began university, where he met Professor Moriarty. After noticing signs of a possible planned attack and being followed, Lanny returned home with Mycroft and kept his school concerns from Sherlock.

Chapters 1–2525 summaries

Arc 2The Noah Incident

Lanny became entangled in Professor Moriarty’s investigations and joined Sherlock, Watson, and their friends aboard the Noah, where a murder and a fire disrupted the cruise. After returning to Liverpool, Lanny met Louis Moriarty and accepted his chess challenge, while the manga hinted that the Noah Incident was not over.

Chapters 26–5025 summaries