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There are lots of side cases that you can choose to complete in Lost Judgment, offering fun little stories, unlocking new areas and characters, and rewarding you with some sweet items.

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The "Chaos of the Masked Writer" side case can be picked up from the notice board in Yokohama 99 from Chapter Six onwards. Here is a complete guide on how to solve this case.

Chaos of the Masked Writer Side Case Walkthrough

Lost Judgment Chaos of the Masked Writer location

After accepting this side case, you need to head over to Kamurocho. Fortunately, the taxi will automatically drop you slightly south of where you want to be on Tenkaichi St. Entrance. Move up the street and you will notice the side case map marker indicating a location on your right.

Head into the building with the pink signs outside and go up two flights of stairs to reach your destination. Your client is waiting for you in this hallway, so speak with him.

Lost Judgment Chaos of the Masked Writer NPC

Speak with Okazaki-san and exhaust all conversation options to find out a little bit more about why he has asked for your assistance.

Next, speak with the members of Kazuto Jumonji, there are four in total in the office that you need to speak to. Before you manage to reach the woman in the corner, you'll be interrupted by a loud bang - remember this for later. Then head over to the woman in the corner and speak with her.

Leave the office and head out to the fire escape where you can go up the stairs to the rooftop. There you'll find Sanada — speak with him twice to progress (the first time is automatic, then speak to him again when the first cutscene ends).

Head back to the office and Okazaki will tell you to have a look around. You need to figure out where the weird odour is coming from, but Observation Mode won't help you here.

Lost Judgment Chaos of the Masked Writer  using the dog to find the ashtray

Use your Detective Dog gadget to lead you to the ashtray on the table by the window, and afterward, he will lead you to the window.

In Active Search Mode, examine the stain and then the clumps of fur to the left of the stain.

Lost Judgment Chaos of the Masked Writer examining the window

Let the dog lead you to the roof where it will find something for you to check out — examine the cat food.

Lost Judgment Chaos of the Masked Writer examining the catfood

In the following conversation choose these options:

  • "Listening Device"
  • "Smelly Stain"
  • "Animal Fur"
  • "Sound of Firecrackers"
  • "The suspect was someone on the outside"
Lost Judgment Chaos of the Masked Writer suspect and cat

After the conversation, you will spot your suspect — but he does a runner! Chase him down, beat him down, and this side case will be complete.

You'll earn 100,000, 5,000 SP, and the Showa Duel Records: Earth skill book.

Next: Lost Judgment: Complete Guide And Walkthrough