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Mystery Services of Public Security, also known as The Case of a Missing Bangboo (I), is Part 1 of Qingyi's Agent Story in Zenless Zone Zero (ZZZ) 1.1. See how to unlock the Mystery Services of Public Security commission, a walkthrough on how to complete it, and its rewards here!
| Qingyi Agent Stories | ||
|---|---|---|
| The Case of a Missing Bangboo (I) | The Case of a Missing Bangboo (II) | Save Bangboo Teddy |
| Location | Sixth Street and Lumina Square | ||
|---|---|---|---|
| Client | Qingyi | ||
| Time | Anytime | ||
The Case of a Missing Bangboo (I) is one of the subquests in The Case of a Missing Bangboo. Accepting that commission will unlock several quests under it, which can all be completed at different times to finish the questline.
The Case of a Missing Bangboo Quest Guide

This Agent Story is also known as Mystery Services of Public Security commission in the Schedule.

The Case of a Missing Bangboo agent story commission is Part 1 of The Case of a Missing Bangboo Quest series.

Qingyi's Agent Story and Mystery Services of Public Security can be unlocked after completing Chapter 2 Interlude: Mission Unthinkable.
Chapter 2 Interlude: Mission Unthinkable

After accepting the agent commission, answer the door in Random Play. Complete the dialogue with Qingyi and meet up with her near 404 Error Live House in front of Box Galaxy.

Finish the dialogue with Qingyi and Holly, then head to Lumina Square to talk and gather clues with Qingyi. Simply follow the the quest markers and discuss the collected clues with Qingyi.
Afterwards, inspect the car in the parking lot beside Random Play's Business car.

At the end of the day, return home and report to Belle/Wise what happened to finish the commission.
| All Quest Rewards | |||
|---|---|---|---|
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| Character | Agent Commissions |
|---|---|
Nekomata
|
1. Cat and Mouse Misplaced 2. Cat on Patrol 3. Caught by the Cat Burglar |
Soldier 11
|
1. Passing Off as Fake 2. Deep Treason 3. Mole in the Hole (III) |
Grace
|
1. Grace's Frankenstein 2. The Iron Witch (II) 3. Witch's Trial |
Koleda
|
1. Schoolyard Powerhouse (I) 2. Back to School 3. Farewell, School |
Lycaon
|
1. Thieves and Guardians 2. And the True Heroes are Always Behind the Scenes (II) 3. Liars and Traitors |
Rina
|
1. Until Your Memory Fades (I) 2. Until Your Memory Fades (II) 3. Sweetcakes that Never Expire |
Qingyi
|
1. The Case of a Missing Bangboo (I) 2. The Case of a Missing Bangboo (II) 3. Save Bangboo Teddy |
The Case of a Missing Bangboo (I) Agent Story Guide



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