While playing Midnight Sin, you’ve probably noticed that some bonus images are hidden throughout the game. They’re not always easy to find, as many only show up after certain story events, character routes, or major progression points.
While playing the game myself, I missed several collectibles on my first run because I visited the correct location too early. So make sure you’ve progressed enough in the story before you begin searching for them.
I’ve also published a complete Midnight Sin walkthrough guide on this website. If you’re stuck with story progression, character events, Sin Books, stat requirements, or hidden routes, check that guide first. It will help you unlock most collectible requirements naturally while playing.
There are 20 bonus images that you can collect in this game. Each main girl has five hidden images placed here and there. In this guide, I’ll show you every Midnight Sin collectible location, what requirements do you need to unlock it, and a few tips to help you reach 100% of this game faster.
Bonus Image Overview
| Character | Total Images |
|---|---|
| Madeline | 5 |
| Victoria | 5 |
| Annabelle | 5 |
| Olivia | 5 |
| Total | 20 |
Madeline Bonus Image Locations
You can find Madeline’s hidden images across the office, arboretum, Mega Mall, and Ruslan-related areas.
Bonus Image #1
Go to the reception area inside B&F.
Check the table near the front desk.
Requirement:
- Complete one of Madeline’s board meeting events.
Bonus Image #2
Visit Madeline’s bedroom.
Look underneath the nightstand located on the right side of the room.
This one is easy to miss as it blends into the surroundings.
Bonus Image #3
Travel to the Mega Mall Parking Garage.
Find pillar D4 and inspect the area on its right side.
Requirement:
- Pay off the debt owed to Ruslan.
The image will not spawn if you don’t clear the debt.
Bonus Image #4
Head to the arboretum.
Walk all the way toward the far-right corner.
The bonus image is hidden between three flower pots.
Bonus Image #5
Visit Ruslan’s apartment area.
Search the trash can next to his door.
Requirement:
- At least half of your payment must be deposited into your account.
Olivia Bonus Image Locations
Bonus Image #1
Enter Olivia’s bedroom.
Check underneath her bed.
You’ll find the first image hidden there.
Bonus Image #2
Visit the Aquatics Center after taking Olivia to swimming practice.
Look at the swimming lanes.
You can find the bonus image in the second lane from the front.
Requirement:
- Complete Olivia’s swimming practice event.
Bonus Image #3
Travel to the Mega Mall.
Check the floor in front of the right-side escalator.
Requirement:
- Ruslan’s debt must be fully paid.
Bonus Image #4
Go to the Discipline Room.
Inspect the table on the left side.
Requirement:
- Join dinner with the girls after the Big Reveal storyline event.
Bonus Image #5
Visit the downstairs bathroom.
Look closely at the space between the wall and the trash can.
The final Olivia image is hidden there.
Victoria Bonus Image Locations
Bonus Image #1
Go to Victoria’s room.
Look under the left cabinet.
Bonus Image #2
Visit the gym.
Look at the equipment in the bottom row.
The image is located in the third position from the back.
Requirement:
- Take Victoria to her boxing appointment.
Bonus Image #3
Head to the dining room.
Search near the fireplace.
You can find the 3rd bonus image of Victoria in the Midnight Sin game.
Bonus Image #4
Visit John’s office.
Check the second shelf on the right side.
Requirements:
Complete all of the following first:
- Attend Madeline’s board meeting
- Talk with Nadine in her office
- Obtain the office keys from Lisa at B&F
Once you complete these events, the bonus image will spawn there.
Bonus Image #5
Go outside the gym.
Inspect underneath the blue dumpster.
Requirement
- Finish Victoria’s boxing lesson first.
Annabelle Bonus Image Locations
Annabelle has some of the hardest collectibles to find because two of them are hidden inside Hentai Impact.
Bonus Image #1
Visit the upstairs laundry room.
Search underneath the storage shelf.
You can find the first bonus image of Annabelle.
Bonus Image #2
Travel to the arboretum.
Look along the path by the entrance.
Bonus Image #3
Open Hentai Impact.
Travel to Lusteria and locate the city gates.
Search the area to the left of the entrance.
Requirement:
- Obtain Olivia’s laptop.
Without the laptop, this bonus image cannot be found.
Bonus Image #4
Visit the Community Center.
Inspect the front area underneath the parked car.
Requirement:
- Take Annabelle to her art class first.
Bonus Image #5
Return to Hentai Impact.
Travel to the capital city of Lusteria.
Check the upper-right window section of the city.
Requirement:
- Obtain Olivia’s laptop.
Quick Checklist of All Locations
If you’re only missing one or two images, use this quick reference table.
| Character | Locations |
| Madeline | B&F Reception, Bedroom, D4 Parking Pillar, Arboretum, Ruslan Trash Can |
| Victoria | Bedroom, Gym, Fireplace, John’s Office, Blue Dumpster |
| Annabelle | Laundry Room, Arboretum, Lusteria Gate, Community Center, Lusteria Capital |
| Olivia | Bedroom, Aquatics Center, Mega Mall Escalator, Discipline Room, Downstairs Bathroom |
The fastest way to get all the Bonus Images is to finish most of the main story first. Many collectibles are linked to board meetings, swimming practice, boxing lessons, Hentai Impact progression, debt payments, and major character events.
If an image is not where it should be, don’t think the game is bugged; check the requirements instead.
Once you’ve collected all 20 Bonus Images, you’ll unlock every hidden gallery collectible available in Midnight Sin and complete one of the game’s biggest optional challenges.
