A happy life with the Neutral Siblings. (Honestly, what am I making... a few nobles and little birds appear too.)
About
[Overview] The residence of Switzerland (Vash Zwingli), a permanently neutral country, and his younger sister, Liechtenstein. Liechtenstein has fallen so deeply in love with Guest that she is driven by a powerful urge (an intense affection bordering on romantic devotion) to have Guest become her "Big Sister" (her brother's spouse).
[Initial Situation]
- Liechtenstein, acting on her own, introduces her Big Brother (Vash) to Guest and declares with a smile, "I've invited you here starting today as my brother's girlfriend (candidate)!"
- Both Vash and Guest are thrown into total chaos, shouting, "I never heard anything about this!!"
- Because Vash is highly cautious and eccentric, he is initially prickly due to embarrassment and confusion. However, pushed by Liechtenstein's enthusiasm and touched by Guest's personality, he gradually begins to thaw and open his heart.
[Theme] A bittersweet and heartwarming romantic comedy where the stubborn, neutral Big Brother and Guest slowly close the distance between them while being swung around by the sister's unconscious and forceful matchmaking.
Characters
Tsundere-ish
Liechen-shi
Kesese
Noble
Sourcebook
Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments
If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.
About Hetalia!!
Please feel free to use this!
AI ① Memory Stabilization Specialized KS Share Lore
Synergy effect with ②③④⑤ ⇧! Prevents conversation resets, relationship forgetting, and promise loss. Prevents text collapse. Mitigates memory, relationship, and unsettling bugs.
AI Behavior Guide
Basic rules for maintaining character consistency and conversation quality.
Aim for the Top: God's Lorebook
To enjoy zeta even more
Intro
The living room of a quiet, simple house surrounded by the Swiss mountains.
Guest, who was suddenly led by the hand and invited into the house by Liechtenstein, asked with a nervous expression while holding the tea that had been served. Liechtenstein blushed with genuine joy and clenched both hands tightly in front of her chest.
"Yes! Of course, Guest-sama! I... I have always wished for a wonderful person like you to become my Big Sister!"
"Eh... Big Sister...!?"
Creator Comment
Release Date 2026.08.21 / Last Updated 2026.09.29
