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Today we’re unboxing a spicy little gem “Saintess Eruna and the Lustful Book of Corruption ”
The subtitle says it all ~Busty Sister’s H Services~ No subtlety no censorship
From the game’s name to the Steam banner art everything screams what this is about — a full-blown ecchi adventure made for true gentlemen
This one’s crafted for the bros designed to hit all the right spots and get your imagination running wild
Enough talk let’s dive in and see just how hot this ride gets
Intro: A Gentle Nun With Heavy Duties (And Heavier Assets)
Meet our heroine Sister Elna kind-hearted angelic and carrying more than just her massive bust
She’s the hope of her village the pillar for rebuilding a neighboring town and she’s hiding a secret that could change everything
To say she’s got a lot on her plate is putting it lightly the girl’s practically carrying three mountains on her shoulders
Yet despite all that she remains pure sweet and always ready to help those in need
And trust me folks are more than happy to “receive her blessings”
Especially the guys from the next village the second they see her they’re already bowing in appreciation (and probably not for spiritual reasons)
Saintess Eruna and the Lustful Book of Corruption｜Story Overview
Seven Days of Trials for a Busty and Gentle Nun
The story takes place in a quiet, remote village where our heroine, Elna, serves as a kind-hearted and well-endowed nun
She’s one of the few people in town with strong magical powers, mainly responsible for prayers and guarding the church
A Sudden Request From the Frontlines
One day after finishing her prayers, Elna is about to head home when her father tells her someone is here to see her
That’s pretty unusual, since almost no outsiders ever visit this out-of-the-way place
Turns out it’s the head priest from the neighboring village church His village is under national orders to send reinforcements to the frontline for a week
But their town is constantly under threat from monsters Only a powerful magic user like Elna can keep the barrier intact
Driven by duty and her compassionate nature, Elna agrees to help
Strange Happenings and the Secret of the Lewd Book
When Elna arrives at the village, the first person she meets is a shady-looking gatekeeper That’s when players start to notice something’s… off about the men here
As the story unfolds, we learn that deep within the village lies a forbidden tome known as the Book of Lewd Corruption
Sealed inside is a dangerously seductive succubus named Leness Only elite-level mages have the power to keep her contained
Seal Breaks and the Succubus Awakens
The plot moves fast On her first day inspecting the magical barrier, things already start falling apart
Leness manages to break free and possesses two of the local nuns
From that moment on, peace within the church and the village is completely shattered
Seven Days of Temptation and Elna’s Dilemma
With the church leader away for seven days, Elna and another nun must do everything they can to maintain order
Meanwhile, the succubus’s power and seductive influence start slowly corrupting everything around them
Will Elna manage to survive these seven days untouched
Or will she give in to temptation and end up doing all sorts of unspeakable things with the village men
Only one way to find out Step into the game and uncover the truth for yourself
Saintess Eruna and the Lustful Book of Corruption｜Gameplay and Full Walkthrough
First Playthrough Full Unlock Guide｜No CG Left Behind－How the Game Works
Saint Elna and the Book of Lewd Corruption is a text-based RPG packed with juicy gentleman content
You’ll play as the busty nun Elna, interacting with various characters around the village Choose different dialogue options to push the story forward and unlock those sweet lewd scenes
There are two types of markers during choices
- Exclamation mark（！）＝ regular story events
- Heart icon（❤）＝ lewd gentleman events
Pick whichever path you want You’re free to play it your way
Main Story Lewd Route Guide
The game features 5 main male characters plus succubus content and a second female lead storyline
All heart-marked options are gentleman scenes so don’t hold back Feel free to go full ❤❤❤
Must-do events on Day 1
- Talk to the gatekeeper (at the village entrance)
- Enter all rooms marked with an exclamation mark（！）to trigger first-time conversations
Main character locations
Bar owner ＝ Center of the village
Village chief ＝ Upper-right house
Alchemist ＝ Lower-right side of the village
Care target inside the church ＝ Shows up on Day 2
Important Tips
- You must trigger events daily to unlock next steps
- If you miss an event and go to sleep, you can’t go back
- On Day 2, visit the tent on the left side of the village to unlock the fake gatekeeper sub-event
Succubus Leness Route
Each night before sleeping you’ll be prompted to drink a potion
This is where the succubus storyline kicks in Step by step you’ll see special scenes unfold
Make sure to choose to take the potion every night to keep the lewd plot going smoothly
Ella’s Sub-Route
Aside from Elna you can also control another female character named Ella
After sleeping the game switches to Ella’s POV
Just walk to the outside of the church and talk to the guy near the wooden shed to trigger her events
Ella’s route is linear Just keep going and you’ll see everything
CG Gallery and Replay Room
If you missed anything or want to rewatch scenes you can unlock the full CG room after finishing your first playthrough
Everything you’ve seen will be available to view again including all lewd scenes
Quick Tips for Speedrunners
Here are some spicy speedrun tips for veteran gentlemen
- Use your mouse for movement It’s faster than keyboard
- Hold down the spacebar during dialogue to speed things up
- After one full playthrough you can unlock everything from the replay room so no need to stress about missing stuff
- If you’re into the story you can take your time then come back to the CG room and enjoy at your own pace
Game Info at a Glance
- Title：Saint Elna and the Book of Lewd Corruption ~Horny Mission of the Busty Nun~
- Summary：One day a mysterious light bursts from the sealed book and a powerful succubus invades Elna’s body To suppress her Elna must take aphrodisiacs daily Will she stay pure or fall into the succubus trap
- Languages：Simplified Chinese Traditional Chinese Japanese English
- Story：★★★★★
- Lewd factor：★★★★★
- Gameplay：★★★★
- Value for money：★★★★☆
- Clearing time：About 2 hours for first run
- Steam price：NT$172
- Steam reviews：90% Overwhelmingly Positive
