Haruto Kiryuu thought love was supposed to be simple—until the night everything changed.
When his childhood friend, Himari, confesses that she broke up with his best friend because of him, Haruto is thrown into a whirlwind of emotions. But before he can even process it, fate delivers another cruel twist—his father suddenly remarries, and his new step-sister is none other than… Himari.
What was once a hidden attraction turns into a forbidden temptation. Living under the same roof, stolen glances turn into lingering touches, and suppressed feelings threaten to explode. But as their dangerous relationship deepens, secrets from the past begin to unravel, and the lines between love and betrayal blur.
Can they keep their forbidden love a secret? Or will their sinful bond shatter the lives of everyone around them?
A story of passion, heartbreak, and the price of love—welcome to Our Secret, Our Sin

Our Secret, Our Sin
- Genre: Realistic
- Author: Johnny_Sensei
- Translator:
- Status: Ongoing
- Rating(4.3 / 5.0) ★
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SabarothzarkielWQh rated it
I give an average so I could write this, this sounds so so fun to read....................................................................................0 0 Reply
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brokensouls rated it
Hi guys. It's me the author but in a different username. Why you ask? I may have accidentally deleted all the data as I accidentally reset my phone so I am sorry to tell you all that the book is gone. I cannot finish it and to be honet , I lack the motivation to start it all over again I deeply apologize to everyone.0 0 Reply
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MRUKNOWN2 rated it
Awesome story with Awesome MC 😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁0 0 Reply
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NStarXnN rated it
I am not good at reviews and am not qualified to judge writing quality. All I can say is that this book so far is quite enjoyable. I look forward to many more chapters. Give this book a try and hopefully you will enjoy it too.0 0 Reply
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AsDarkAsBlack rated it
Just from the prologue itself is enough to say that this book is good. I'm not quite the fan like this book's genre but the sypnosis caught my attention. I'm really looking forward to this.0 0 Reply
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KRGames rated it
An enjoyable page-turner! The writer has such a wonderful writing style; everything flows well and naturally. You just can't stop reading and asking for more!0 0 Reply
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Terra_Chad rated it
Look for the other post i already made. I have two accounts so yea. thought id do a review on my other just to get that drippy 5 star. Im planning on writing more and i am currently, its just slow since im still thinking of minor plot points and how i want characters to act n stuff. expect a cool MC in a bit.0 0 Reply
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DaoistCulturew9G rated it
<p>"Still alive…that's the Oz-Formula alright."</p>0 0 Reply
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