Holy Avatar: The Ancient Rituals and the Twin Worlds

Pero is an old man who, through some strange turn of events, ends up being the twins’ licking dog.
Today, he is woken up from his nap once again and forced to help satisfy the twins’ sexual needs.

Character Introduction
 
Kon-chan
The energetic older twin sister
She's a pure girl who chats enthusiastically with the protagonist, even though they suddenly ended up living together.
She's always playing, and if you invite her to play games, she'll smile and play along.
 
Ren-chan
Unlike her energetic older sister, Ren-chan is the cool and collected younger twin sister.
She's wary of the protagonist, even though they suddenly ended up living together, and doesn't talk much.
She locks herself in her room at night and is very cautious.
 
--Game Contents--
Map Action: Select a map to decide your daily actions. Go to shops, work out, and talk to characters to make friends.
 
--Skill Unlocking--
Earn skills using skill points earned through training or events! To acquire skills, you also need affinity and slutty points.
 
--Erotic Situations--
First Orgasm, Squirting, Training, Sleep, Orgasm Peeing, Creampie Orgasm, Breast Fondling, Fingering, Stroking, Fingering, Cunnilingus, Vibrator, Electric Massager, Vibrator
 
Change hairstyles with accessories, add cat ears, tights, handcuffs, leg irons, and even a blindfold or gag.
 
--Events--
- Flat Chest Flash
- Peeping While Getting Changed in the Bath
- Peeping on First Masturbation, etc.

Rituals of Lust and Sin is a dark adult sex game and erotic adventure for mature players (18+). This sinful fantasy blends pagan rituals, forbidden desires, explicit sex scenes, erotic roleplay, and deep character customization. Every encounter with AI characters—solo, paired, or in groups—is fully animated and shaped by your choices.
 
Explore atmospheric ritual grounds, shrines, and torchlit courtyards. Join sacred dances and invoke the weather to transform the world around you, unlocking new erotic rewards.
 
🌲 A World of Rituals and Desire
Step into a mystical Slavic setting where lust, pagan rites, and sin fuel every encounter. Courtyards, shrines, and sacred spaces become stages for erotic roleplay, seduction, and adult adventures.

Requested to seal and restrain the monsters, Freya heads to the forest to fulfill the demand.
How will she- be able to perform the ritual to seal the strong, violent purple monsters?
Her fate is all within the hands of the player...
---
The game specializes in a unique gaming style of [Side Scroll] + [Tower Defense] system.
Build a "Tower" to shoot down the monsters, appearing from the right side of the village.
Protect the altar from 50 waves of monsters coming in! (Demo ver. has 5 waves.)
Over 20 pixel sex animations for you to enjoy!
Unique scenarios including 'gameover and good/bad endings to explore!

The village's custom—no, its "lewd custom", comes crashing in—
The story begins when the heroine Chinastu, due to her husband's job loss, moves with him and their daughter to his family village.
The village is called "Netori Village."
It's a famous tourist spot known for its grand festivals, and one of the rare places in recent years that's actively increasing its birth rate.
"All the villagers of ""Netori Village"" seem united like one big family,
yet there is one custom they must obey..."
"Men and women may cross the boundaries of marriage and love freely."
Chinastu's father-in-law, Hoshikawa Tatsuo
Her husband's old friend and current village chief, Netori Ryuzo
With them leading the way, the men and women of the village begin to close in on her step by step...