Ha Jinsung/History

History
Ha Jinsung is the son of one of Yurin's twins, making him the grandson of Ha Yurin, the head of the Ha family, and Ari Han, the head of the Ari family. At some point, Ha Jinsung fell in love with an unnamed woman who was later sold to a branch of the Ha family. In his anger, he annihilated the entire branch, unable to rescue her as the woman died as well. This event ultimately leads him to hold a grudge against the Great Families, joining FUG as the result.

For some time he trained Karaka and later Jyu Viole Grace. He was amazed at Viole's talent to mimic anything that hit him once and continually brags about Viole's talents to others.

FUG (arc)
Ha Jinsung first appears as Yihwa finds out that Viole is meeting Hwa Ryun at Regular Karaoke. At first, he wonders if Yihwa is another new member of FUG. Yihwa soon realises that the three of them are FUG members and he soon notices her Yeon Family hairpin and accuses her of being a spy from the 10 Great Families. Viole tries to defend Yihwa by saying she is his teammate, but Yihwa denies this, prompting Jinsung to prepare to attack her. Viole ends up knocking her out to protect her.

Hwa Ryun then suggests that they take Yeon back to Viole's lodging to chat. There, Jinsung introduces himself to Wangnan and Goseng and asks if they bully Viole, although he eventually ends up going on and on about Viole being a genius. All throughout the conversation, Wangnan responds to his antics nervously.

After Jinsung leaves to see Viole on the roof, Hwa Ryun informs Wangnan that Jinsung had actually come to eliminate all seven of Viole's current teammates to get him to form a better team, but had changed his mind for now, as he respects Viole's decision. She warns him that many FUG members currently have complaints against Viole's current team. Later, he goes to the roof to see Viole.

Epilogue, Path
Jinsung is troubled when Viole gets hurt from protecting one of his teammates during the test. He tells Team Tangsooyook that he wants them to leave and that he would guarantee safety from FUG. Wangnan is visibly troubled by this but later returns to tell him that they would be walking their own paths and taking Viole with them, regardless of FUG. After Wangnan leaves, Karaka appears to question Jinsung's motives. He replies that letting Viole have friends simply increases their hostages.

The Workshop Battle: Epilogue
He arrives at Karaka's secret hideout where he is questioned by one of its guards to which he replied, "Kids these days...". He subsequently proceeded to make his way to Karaka, easily defeating the hideout's guards on the way. Upon reaching Karaka, the latter sarcastically greeted him and the two began to discuss matters involving recent events. Jinsung then ended the discussion by giving his former student a warning, before leaving, saying "let me give you a warning before I take off, Karaka. If you step over your boundaries... ...you are going to regret it. Viole's growth is much faster than you can imagine. Maybe in the near future... ... He'll come back to FUG, and drag you down from that chair."

The Hell Train: Hoaqin
He appeared suddenly at Team Tangsooyook's residence, mentioning that his cute pupil was always asleep when he came to visit and noting that the team had some new faces. After being asked why he was there, Jinsung replied that while coming to see someone he decided to drop by before coldly inquiring who had put Viole in such a condition. He then attempts to prevent Baam from getting on the Hell Train, upon learning that Hoaqin was possibly going to be revived. He easily defeats Chang Blarode and Quatro Blitz but is tricked by Khun Aguero Agnis into allowing Baam and his team to escape.

The Hell Train: The 'Name Hunt' Station
Realizing there was no way to know what happened during the Hell Train journey, Jinsung decided to attend the auction that took place during the Festival of the Name Hunt Station, featuring a battle between a Slayer candidate and a Zahard Princess. Before arriving, he received a message from Hwa Ryun explaining the situation along with Baam's plan. When Ha Ruda and Lo Po Bia Porp challenged each other for Lo Po Bia Elaine at the auction, he calmly challenged them to bet all at once. Shocking the other two by betting 10 billion points, he explained it was a small price to pay for his favourite disciple's favour and that his God was saving her. He was later seen traveling with Elaine towards the 40th Floor.

The Hell Train: Three Orders
Ha Jinsung was sitting on an old tall building on the 91st Floor while being surrounded by Zahard's Army. Khun Maschenny Zahard went there personally to tell Jinsung there will be a war soon after the three orders from Zahard.

Jinsung replies to Maschenny that he is too old to even want to fight and tells her to stop stirring up trouble. Wondering if Ha Jinsung's rage that he once had when he killed an entire Ha branch is still there; Maschenny ordered the army to attack by firing a huge laser from the main warship which destroyed the environment around him but did no damage to Jinsung himself, and in return, Ha Jinsung used an ability that destroyed half of the army's fleet instantly. Maschenny surprised that he still has it within him, she announces the start of the war and a weapon from Zahard goes over Ha Jinsung and blasts down destroying everything around him.

Jinsung managed to survive with only a sprained wrist and damages the weapon with a few kicks because he didn't want to destroy one of Zahard's precious toys. Ha Jinsung and Maschenny engaged in a battle afterward, and after couple massive attacks, Ha Jinsung notices Maschenny wasn't fighting seriously the whole time and asks her true intentions. Maschenny tells him he finally figured it out and followed up with a massive attack where she put more effort into. However, Jinsung took little to no damage from the attack which Maschenny says he is so strong. Maschenny tells Jinsung the three orders that were sent from King Zahard to annihilate FUG or kill everyone on the Hell Train. She also says someone Jinsung cares about is at the Last Station and the army found a way to interfere with regulars when they are not supposed to. Jinsung asks how Maschenny know about the '', and she replies back saying her knowledge on his existence isn't the problem, but Zahard's and that he has noticed him in the tower and has already sent his army to kill him and anyone associated with him.

Ha Jinsung broke into one of Zahard's High-Speed Warship and set the location to the Last Station at full speed. The people in the warship were wearing Kallavan's insignia, and when Ha Jinsung sees it, he expresses concern, saying it will not be easy even for him because of Kallavan's influence and power.

The Last Station: Kallavan
Ha Jinsung intercepts Kallavan before getting to the battlefield, challenging him to come out of the ship. After getting ignored by Kallavan, Jinsung takes out a Shinsu Cannon from the El Robina, treatening to blow up the ship, destroying Kallavan's teleport device. After this, the Squadron Commander decides to come out. Once they are facing each other, Kallavan reveals that they have met before, after Jinsung heard the rumours of a talented Ranker guarding the "Essence of Bravery" in an unexplored and wild area of the tower, outside the influence of the ruler. In their first encounter, Jinsung praises Kallavan and recognizes his talent. Jinsung pushes Kallavan into taking the Essence of Bravery for himself, that same day Kallavan took it, and at the next encounter they had, Jinsung felt that he was already capable of becoming a High Ranker. Ha Jinsung offers Kallavan to become a Slayer several times, but he refused.

The fight begins with a physical exchange, Kallavan reminds Jinsung that his body is tougher than the ones from the Ha Family. Ha Jinsung wonders how the Ha Family got the reputation of only having tough bodies, considering that they are more like "Technicians", surprising Jinsung with Iron Defense. After a short exchange, Kallavan recognizes Jinsung's power. After telling Jinsung about what he saw when he took the Essence of Bravery, Kallavan shows his real power. After getting hit with Kallavan's Atomic Explosion, convinces himself that he made the right choice about not letting Kallavan get to the Last Station. Kallavan continues his attacks against Jinsung while wondering why does Jinsung want change so much, and compares change with pain and conflict. Jinsung prepares his trascendental skill and makes a hole in Kallavan's stomach. After thinking he won, Kallavan grabs him and destroys his arms. While Jinsung seems to be preparing the last attack he was caught off guard and Maschenny stabbed his torso with her lightning spear. As he falls, he remembers his time with Baam, and ordered Byuwen to fire the Shinsu Cannon from El Robina to destroy Kallavan Warship while simultaneously using Reverse-Flow Control to stop the movement of both Kallavan and Maschenny, but Kallavan still managed to teleport right before the ship explodes and eventually arrived to the Last Station. Maschenny captured Jinsung as prisoner and revealed she plans to use him as bait for the Irregular boy and to initiate a new great war like the war from ancient times.

The Nest (Arc)
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The Second Defensive Wall (Arc)
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The Ten Great Family Leaders (Calamity)
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Lilial Jahad (Arc)
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