By A Slight Mistake

• Author: Saito Suzushi
• Genres: Chuyển Sinh, Romance Fantasy, Đời Thường
• Status: On hiatus
• Chapters: 176
• Rating: ★ 3.8 / 5
• Published: 2026-09-30

It All Started With a slight mistake

The story offers a familiar reincarnation trope but sets itself apart with some truly unexpected twists. After a brush with death, our protagonist Sagara Mizuki regains all her past life memories, only to realize she's woken up inside the world of an otome game she used to play: Seventh Heaven.

Fate intended for her to be a high-society lady of perfection, serving as the heroine's main rival. However, things go sideways right at the starting line due to a few minor deviations, throwing everything off track. Instead of a refined lady, Sagara Mizuki accidentally becomes a prince of cross-dressing perfection in everyone’s eyes.

The existence of an older brother—someone much older than her—is another deviation that completely messes with her meta-knowledge. Sensing danger in the original script, she decides to live a quiet life to stay out of trouble. But of course, those very efforts to stay low-key trigger a series of unforeseen slight mistakes.

An Ironically Perfect Persona

Despite her wish for a peaceful life, Sagara Mizuki is constantly thrust into hilarious and awkward situations. The real charm here is her prince persona—a cross-dressing masterclass of perfection. She has to balance everyone's high expectations while meticulously hiding her true identity.

Her plan to remain a bystander crumbles thanks to a slight mistake no one saw coming. Simple actions meant to dodge the plot inadvertently forge new connection points with key characters. The constant tug-of-war between her desire to bail and being dragged into the spotlight is what makes her so engaging.

Hilariously Flipped Relationships

The most captivating part of the narrative is the evolving dynamic between Sagara Mizuki and Toujou Rin. In the original game, Toujou Rin was the central heroine, while Sagara Mizuki was the antagonist rival.

However, thanks to some wild variables, they go from bitter enemies to close friends. The misunderstanding regarding the prince title makes the interactions between these two girls naturally funny and heartwarming. This bond gives the story a very cozy slice of life feel that’s packed with laughs.

Reader's Perspective

Best for: Fans of lighthearted reincarnation stories who want to see a clever heroine pull off the cross-dressing prince trope flawlessly.

Note: If you’re looking for intense mind games or cutthroat power struggles, you might find the pace slowing down during the daily life and slice of life segments.

Readers who love comedy, subverted tropes, and genuine friends dynamics will find this a total joy to read.

The High Points

• A fresh take on the otome game reincarnation trope mixed with cross-dressing elements.
• Sagara Mizuki is a smart, charming protagonist who handles every situation with absolute perfection.
• The natural relationship growth between Sagara Mizuki and Toujou Rin turns a classic rival setup into a convincing friendship.
• The gentle slice of life vibe is a great way to unwind.

A Few Caveats

• The story is currently on hiatus at chapter 176, which might leave you feeling a bit left hanging.
• Occasionally, the plot lingers too long on mundane daily life details, which can slow down the main narrative.
• It lacks the explosive confrontations or complex power system that action junkies might crave.

Final Verdict

Stopping at 176 chapters, this series is a reincarnation journey filled with warmth and laughter. While the hiatus is a major bummer, it’s still a worthwhile experience for anyone looking for a relaxing read.

Bottom line: A lighthearted romance fantasy and cross-dressing tale that offers a perfect escape from stressful mind games.

Tags: reincarnation, cross-dressing, slice of life