Seven Days: Living in Confinement with a Stranger High School Girl (v1.01) by POMEYA

Description:
You open your eyes in an unfamiliar room… beside you sleeps a stranger. Soon, a sly young woman appears, claiming to be your kidnapper. She declares that the two of you must survive a week of captivity.
Each day brings new commands. Failure leads to surreal punishments that strip away dignity and test your resolve. At night, vivid dreams blur the line between reality and illusion, hinting at deeper mysteries.​

2DCG, Ahegao, Animated, Big ass, Big tits, Corruption, Creampie, Exhibitionism, Female domination, Handjob, Humiliation, Internal view, Japanese Game, Male protagonist, Masturbation, Mind control, Oral sex, Romance, Rpg, School setting, Simulator, Teasing, Urination, Vaginal sex, Virgin,

1. Extract and run.

Concept
A mystery visual novel presented in striking monochrome artwork. You awaken in confinement with a high‑school girl you’ve never met, and together you must endure seven days under the watch of a mischievous mastermind. Your willpower is tested against constant temptations and bizarre directives.
Will you resist and uncover the truth, or surrender to forbidden desire?
(One true ending, two bad endings.)
Characters
Lila: A proud genius and daughter of a pharmaceutical company president. The protagonist, a journalist, is coincidentally investigating her father.
Luna: The mastermind, contacting you through a computer. Provocative and cunning, she clearly has hidden motives.
Mysterious Girl: Appears in dreams, stirring doubt and desire.
Features
Visual Novel Format: Primarily text‑driven with limited choices that branch the story.
Monochrome Art Style: Distinctive black‑and‑white illustrations create a unique atmosphere.
Multiple Endings: One true ending and two bad endings depending on your decisions.
Content: Over 400 CGs, 15 major events, hand‑drawn animations, and a script exceeding 110,000 words.
System: Text skip, auto‑advance, backlog, and replay mode included.