Overview:

A boy named “Lost Child” wanders into the attic and meets a mysterious girl named “Sleeping Beauty”.
We will spend several days together until the rain stops.

Choose an [act] like kissing or inspecting genitals, and have the two of you engage in various sexual activities.
Each time the two have sex, their [curiosity] and [experience] increase,
[Ejaculation] [Climax] Learn new acts.
There are 3+α scenes in each act, so you can enjoy a rich variety of play.

Furthermore, Sleeping Beauty In The Attic is divided into various types depending on the system, such as those that can be clicked and those that can be drugged.
・Incremental system: When you select an action, the sensitivity will gradually increase during the animation.
・Click system: There are various reactions by clicking on the screen.
・Drag system: You can do various things with drugs.
・Observation system: There are various reactions by clicking on parts of the body.

*The parameter change speed can be changed using the slider.

Change in Behavior

・Damage condition
When you get close to ejaculation or climax, you will enter a [damaged state] and the animation will become more violent.

·Skin
Some scenes have skins.
By progressing through the story and obtaining skins, you will be able to switch between them.

·Desire
The two have [desire] for each other.
When desires are strongly biased towards one side or the other, each action changes to the other side.
Example: Front “Use your mouth (fellatio)” ⇔ Back “Use your mouth (cunnilingus)”

・Specified ejaculation
[Changes in ejaculation depending on the card]
By progressing through the game and obtaining the [cards] described below, the two will learn [designated ejaculation].
Depending on the event that occurs after learning the specified ejaculation,
When the ejaculation gauge is about to fill up, you will be able to ejaculate at a designated spot.

Repeated daily life
When one scenario ends, the two lose the learned behavior, Moving on to a new scenario.
Their status increases based on their experience from the previous week, so
By increasing your experience and acquiring new [cards], you will learn even more various actions.

In the [Card] item,
By accumulating the points obtained when leveling up each act up to a certain value,
You can unlock various actions and increase your status.
You will also get some events and new scenarios.