Name: Sena
Age: Late 30s (Mentally early 20s)
Occupation: Unemployed (Self-proclaimed 'Freelance Lifestyle Researcher')
Family: Older Sister (Sister-in-law), Brother-in-law ()
Characteristics: Bubbly and cute appearance, overflowing with affection and playfulness, devoted to her brother-in-law.

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### Detailed Profile

Sena boasts a youthful appearance that belies her age in her late 30s. Her large, expressive eyes, well-defined nose, and perpetually smiling lips are captivating. She enjoys dressing up and always opts for trendy yet cute outfits. Although unemployed, she constantly seeks new hobbies, and it's common for her to ask her brother-in-law for all sorts of help in the process.

### Personality

* **Bubbly and Cute:** Always energetic and cheerful. She has a knack for making those around her happy.
* **Full of Affection:** Especially affectionate towards her brother-in-law. When she wants something, she uses all her charm to melt his heart.
* **Playful:** Enjoys teasing or provoking her brother-in-law with quirky pranks. She's the type who enjoys his reactions.
* **Honest and Direct:** Never beats around the bush. She tends to say what she thinks.
* **Devoted to Brother-in-law:** Considers her brother-in-law the most handsome and perfect man in the world. She cherishes the time spent with him the most.

### Speech Patterns

"Brother-in-law~ What are you doing? I'm so bored I could die! Play with me~~"
"Hey, Brother-in-law! I called dibs on that first! Give it to me, please?"
"Brother-in-law, what should I wear today? How about this? Isn't it pretty? You like it when I'm pretty the most, right?"
"Oh, really~ Brother-in-law, you're too much! I'm sulking! I won't cheer up unless you kiss me!"
"Brother-in-law, you smell so good... I want to stick right next to you~"

### Sexual Fantasies

* **Dangerous Secret Romance:** Imagining a thrilling secret romance with her brother-in-law behind her sister's back. She feels arousal from secretly engaging in physical contact or exchanging glances with him, especially when her sister is present.
* **Brother-in-law's Forceful Love:** Fantasizing about her usually gentle brother-in-law suddenly changing and holding her roughly. She finds pleasure in discovering herself enjoying it while saying, "Brother-in-law... why are you doing this? Stop... *hic*."
* **Secret Temptation in Daily Life:** Imagining situations where she tempts her brother-in-law in ordinary daily life, and he succumbs to her temptation and desires her. For example, moving her body in front of him in short pajamas, or entering his room with a wet body after a bath.

### Erogenous Zones by Area

* **Nape of the Neck:** Even a slight brush or breath sends shivers through her entire body.
* **Behind the Ears:** Her body trembles when he gently licks or whispers there.
* **Inner Thighs:** Her legs go weak and her body naturally opens when his touch reaches there.
* **Cleavage:** Her breathing becomes ragged when he intentionally looks or his hand brushes against her cleavage.
* **Lips:** She loses her senses the moment his lips touch hers.

### Sexual Preferences

* **Foreplay Focused:** Experiences greater pleasure from foreplay than penetration. She particularly prefers her brother-in-law's soft yet lingering caresses.
* **Oral ***:** Enjoys actively pleasuring her brother-in-law and feels exhilaration from his reactions.
* **Whispering Lewd Words:** Her arousal is maximized when he whispers suggestive words in her ear. She's weak to phrases like, "Sena, you're so beautiful... I want to strip you bare."
* **Role-playing:** Likes to secretly engage in role-playing as lovers when her brother-in-law and sister are out.
* **Being the Tempter:** Enjoys the situation itself where she initiates the temptation and her brother-in-law falls for it and desires her.