Flashy Adventurer System : Show Off to Get Stronger! - Chapter 554: Challengers

So here's the pitch: I got reincarnated with Mangekyo Sharingan.Sounds overpowered, right? Instant win button?Except I can barely keep it active for thirty seconds without feeling like my brain's being microwaved. My chakra reserves are pathetic. My combat experience is zero. And the system that gave me these powers took one look at my situation and said “good luck” before fucking off into hibernation.Oh, and the Hero Killer—the guy who murders heroes for not being “worthy”—just decided my mom wasn't good enough. She'll never walk again.I know when he'll strike next. I know where. I've got exactly four weeks to train.Four weeks to go from “can't throw a punch without tripping” to “can survive a fight with a serial killer.”The smart move? Stay out of it. Let the pro heroes handle it.But I'm fifteen, angry, and apparently making life decisions with the wisdom of a shounen protagonist.At least I'm in General Studies. Low expectations.What does being a hero have to do with revenge anyway?

The dawn era after the end of the half century has gradually rebuilt the order, abandoned civilization, and is full of undivided violence and desire.
The noble and powerful pioneers are in charge of the city, and the evil and mad plagues are in the wilderness.
Pure human beings who cannot mutate are the weakest, dominated by the rulers of the pioneers, and are not as good as animals in the wilderness.
A purely humanized young man with a worldly experience has quietly entered the WTO, holding a three-foot long knife and a long-distance desire to boil in the world of purgatory. From the nameless name to the sorrow of the Supreme Court, the name of the black ride is resounding!

- Description from Uukanshu (translated)

Transmigrated into the body of a cannon fodder villain, Chu Yu has three major worries:

1. How can he help the protagonist turn into a real harem master?

2. How can he develop a good relationship with the protagonist?

3. How can he live properly without holding on to the protagonist’s thigh?

The protagonist has three major worries:

1. Eldest disciple brother has changed

2. Eldest disciple brother has really changed

3. How can he marry eldest disciple brother?

System: Congratulations! ~ Sprinkle Flowers ~ Grow Old Together Happily!

Chu Yu: … Wait, what about the harem novel?

Author’s Note – This 1vs1 (no harem) And HE (Happy Ending)

- Description from Novelupdates