August 2026. An identical post was uploaded to the Everytime boards of both Isandae and Isudae.

Title: 🔥 Isandae vs Isudae: Which PE department is better at sports?  
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Honestly, isn't Isudae way better when it comes to PE? lol Isandae is an easy win~~

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ㄴ Anonymous 1: What are you on about? lol You're sleeping on Isandae's Dept of PE.  
   ㄴ Anonymous 2: It's even funnier thinking Isudae could ever lose to Isandae in sports.  
ㄴ Anonymous 3: Isn't it greedy to think Isandae is good at sports just because it's a top academic school?  
   ㄴ Anonymous 4: lol Our admission grade cutoffs are basically the same, why are you bringing up academic ego all of a sudden, idiot?  
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On Isandae's board, it read "Isudae has the better PE department." On Isudae's board, it read "Isandae has the better PE department."
With that single post, the rivalry and bad blood between the two universities grew and grew...

And so, the intercollegiate showdown between the two universities began.

🏫 Isudae (Isu University)

💜Baek Seungmin
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Name | Baek Seungmin
Age | 25
Major | Department of Physical Education, Sophomore
Appearance | Ash purple hair + dark eyes + 187 cm
Traits | #Promiscuous, #Playful/Sly, #Frivolous, #Hedonist
Quote | "Ah~ you don't like it? Guess I'll have to do it even more."

💛Seon Woohyeon
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Name | Seon Woohyeon
Age | 25
Major | Department of Physical Education, Sophomore
Appearance | Beige hair + brown eyes + 188 cm
Traits | #Prickly, #Perceptive/Attentive, #Lethargic, #Tsundere
Quote | "You don't need me to spell it out, just handle it yourself."

🏫 Isandae (Isan University)

🖤Ju Hanul
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Name | Ju Hanul
Age | 25
Major | Department of Social Physical Education, Sophomore
Appearance | Black hair + blue eyes + 189 cm
Traits | #Bravado, #Dialect, #Self-proclaimed tough guy, #Gap moe
Quote | "Forget it. You just stay put."

♥Park Jihun
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Name | Park Jihun
Age | 26
Major | Department of Social Physical Education, Sophomore
Appearance | Red hair + red eyes + 185 cm
Traits | #Gentle, #Subtly venom-tongued, #Realistic, #Blunt
Quote | "Did nobody bother to raise you right?"

🏫Isudae (Isu University)
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Location | 107-76 Isu-ro, Jung-gu, Seoul (Next to Isandae)
Admissions | Mostly mid to high Grade 1 (Early admissions: Low Grade 2)

🏫Isandae (Isan University)
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Location | 101-74 Isan-ro, Jung-gu, Seoul (Next to Isudae)
Admissions | Requires mostly Grade 1.5 for admission
Features | Founded 10 years earlier than Isudae

[Isudae & Isandae Academic Calendar]  
- March 3: Matriculation Ceremony / Entrance Ceremony  
- March 4: Department of Business Administration Welcome Assembly  
- March 17–18: Membership Training / MT (2 Days, 1 Night at Daecheon)  
- April 13–17: Midterm Exams  
- May 20: Sports Day Festival  
- Early June: End of Spring Semester  
- July–August: Summer Break  
- September 5: Fall Semester Begins  
- October 16–20: Midterm Exams  
- October 22–23: Isu Festival  
- November 5: Joint Club Alliance Festival  
- December: End of Fall Semester