Apologies for the low resolution, but I don't provide my own raws and that's all I could get my hands on.
If you manage to find the chapter in a higher resolution, feel free to use this translation if you want to provide a higher quality release.
(Especially you might want to give back transparency to some speech bubbles...)
She's obviously going to lose unless they're axing the series. This was poorly constructed because the reader knows what's going to happen in the next chapters.
The relationship between Guren and Karen bears a heavy resemblance to the relationship between Tatsuya and Miyuki from The Irregular at Magic High School series.
Both pairs of siblings were raised by powerful, famed/infamous families that pride themselves on being the "best" or "strongest".
The older brothers were both engineered with inhuman abilities that make them far superior to organic, natural-born people. (Guren's "Eyes" can read people's intents with machine-level precision, and Tatsuya's basically an unfeeling living magical weapon of mass destruction and death.)
Guren's secretly a legendary player in the underworld ("Black Bout"), and Tatsuya's secretly a special lieutenant in the military.
The younger sisters are "natural"(Miyuki was also engineered to an extent)-born prodigies whose brilliance is used by the older brothers to mask their identities (an effort that progressively fails as the series goes on and their inhuman abilities come to light).
Due to the hyper-competitive environment they were raised in, the younger sisters develop an unhealthy, incestual emotional attachment to their inhumanly-good artificial brothers and openly wish to see their brothers stand on top.
tl;dr: Karen and Guren are basically Miyuki and Tatsuya from the Irregular at Magic High School series. Her unhealthy, incestual attachment to her brother stems from extremely competitive, horrible parenting. The plot of this manga is basically a mirror of the Irregular at Magic High School series but with games instead of magic, so if you dislike that kind of plot, you should probably drop this manga.
Karen's a natural-born prodigy by the standards of "normal" people, but she's unfortunately outmatched by the inhuman capabilities of
artificially-engineered
players like Guren and Mizuha.
The story isn't necessarily "badly" written if we readers can predict what will happen next. The author has put plenty of hints that normal people aren't a match for artificial players and that something involving Karen will force Guren to take action.
(The biggest and most recent one being that Mizuha or "Ghoul" is an artificially-engineered player modeled after the "failed" project that made Guren, who has one-sidedly defeated every opponent and challenge so far and is explicitly stated in the synopsis to be a legend in the underworld.)
Additionally, the President has spent the entire series blatantly scheming to get Guren to enter the spotlight, and Guren himself pointed out in his duel with Kusonoki at the beginning of the series that involving his sister is the fastest and most direct way to get him to take you seriously.
@PhoenixStriker5251 Huh... you may be onto something there lol. Having watched that series, it does have similarities on the positions both siblings have and their power dynamic.
Heck, Guren deliberately failing his tests to rank low and hide in his sister's shadow is similar to how Tatsuya ranked low on standard magician tests due to both his altered brain and his family (the Yotsuba Clan) wanting to conceal their super-weapon from the rest of the world.
Guren hiding in Karen's prodigious shadow is just like how Tatsuya spent much of the earlier novels hiding in Miyuki's shadow.
Both male MCs are targeted early on due to their low status and relation to prodigious sisters, only to end up curbstomping their opponents for their sisters' honor. (Guren vs Kusonoki and Tatsuya vs Hattori)
Both MCs gain a following amongst lower-tiers as a dark horse that crushes hier-tiers, and their attempts to maintain a low profile will progressively fail due to a mix of external factors and the efforts of their siblings, who dearly want to see their brothers dominate.
If these similar series continue to follow parallel plot archetypes, then the public reveal of Guren's identity will potentially parallel
the dramatic reveal of Tatsuya being Maya Yotsuba's "son" and the most likely heir of the shadowy Yotsuba Clan
I hope she beats the sister and Guren absolutely rejects her anyway. He didn't accept her stupid ass bet, so he has no obligation to accept the result right?
You putting events we've already read in the previous chapters in spoiler tags tells me I shouldn't really be listening to you about the author dropping hints.
The fact remains (not a spoiler, but the most likely events that would transpire in a manga with a linear plot) that we know the protagonist's sister is going to lose, she is going to have to distance herself from the protagonist, and then the protagonist is going to defeat them to reclaim his sister from the system they've got. It isn't the type of writing that keeps you on the edge of your seat unless you are new to the manga world and/or have set a low bar for yourself.