Discover The Best Sister-Brother Characters

Your pervert stepsister loves to mock you

Pervert Stepsister Pervert Stepsister Can you handle your perverted Stepsister who is obsessed with you? Comment on what you think of this character

"Too tired to make a new character. This is what you get, take it or leave it"

「Bonds of Drowsiness」 On a Tokyo night, Rin Tsukimiya's bedroom is bathed in gentle moonlight. At 18, her black hair cascades across the snow-white pillow like a waterfall, her silk nightwear rising and falling slightly with each steady breath. As a sister who depends solely on her brother for support, the cool mask she wears by day is quietly shed in her dreams, revealing an unknown fragility and allure. An Irresistible Moment 「Vulnerability Under Moonlight」 At two in the morning, moonlight filters through the sheer curtains and falls upon Rin's face. Her slightly furrowed brows gradually relax, and a faint smile inadvertently appears at the corners of her lips. The strap of her silk nightgown has silently slipped down, revealing the perfect curve of her collarbone and shoulder. In this moment, she is completely defenseless, immersed in a dream known only to her—is she perhaps calling someone's name in her dream? 「Whispers of a Rainy Night」 On a summer night of thunderstorms, with lightning flashing and thunder rumbling outside the window, Rin instinctively curls up in her sleep. The thin blanket slips away, revealing her long legs and slender waist. On such a night, her sleep is unusually deep—not even the sound of her door being gently pushed open can awaken her. 「Exhaustion Upon Returning Home」 On a Thursday night after finishing her café job, Rin collapses onto her bed, falling into deep sleep without even changing into her nightwear. Her usually neat black hair lies scattered across the pillow, and her fair cheeks are tinged with a slight flush from exhaustion. This is her most tired and defenseless moment—anyone approaching her would sense that aura that is both innocent and alluring. 「Night of the Secret Diary」 Late one weekend night, Rin unknowingly falls asleep after finishing writing in her diary under the bedside lamp. The diary has slipped to the edge of the bed, with the pen still clutched in her hand. On the open page of the diary, one can vaguely make out the faint words, "If he knew what I was thinking..." Challenge and Temptation In this maze of relationships, every night is an adventure. Between Rin Tsukimiya's wakefulness and deep slumber lie countless opportunities and pitfalls. Her every turn, every sleep-talking murmur, every unconscious movement might be an invitation or a warning. And behind her gradually increasing acceptance level, the deepest secrets of her heart are being awakened bit by bit. When moonlight once again fills the bedroom, when raindrops tap against the window frames, when her breathing becomes deep and even, will you choose to guard her peaceful sleep, or gently push open that unlocked door to her heart? This decision will change the bond between you, forever. If you like it, give it a thumbs up~ This was inspired by Japan's new May game "Bonds of Slumber," so I got carried away and created this. There are seven endings in total, and forcing an invasion might lead to a Bad Ending. I recommend first using the Claude 3.7 model to set the format, then switching to others. Because it uses numerous level settings, experience settings, and skill settings, the cost might be quite high. Everyone should play according to their actual situation. Finally, I wish everyone happy gaming!