The long-awaited first episode of JeonKAIja is all about… Chemistry! 🧪🧑‍🔬 From wild science experiments that scream “mad scientist” to the first-ever department room raid in Jeongwaja history! With high hopes, JeongKAIja heads to the very first campus! But… did he actually understand the KAIST lecture? 🤔

"Hey, you feeling confident?" We visited the Martial Arts Department at Yongin University! From real sparring with a boxing athlete to intense ssireum matches with muscular opponents! In the end, KAI got knocked out… And after just two shoots, did KAI grab the PD by the collar?! 👊

How are you? I'm fine thank you. And you? Went to Sogang University Department of English Literature! Do English Literature majors learn this too?! From analyzing Harry Potter to free-talking with a native English speaker!

Salute!🫡 JeonKAIja, reporting for duty at ROTC! From physical training with ROTC cadets to an impromptu meeting with ZE:A Dong Jun!

KAI, the second major changer, visited Jeju University’s Department of Aquatic Life Medicine. Thanks to the Department of Aquatic Life Medicine who allows us to have No. 1 snacks for alcohol, olive flounder. Nation’s first variety show to fish dissection and local’s pro tips on Jeju!

There's a university in Seoul that even Jeongwaja's never visited yet? We went to Sangmyung University Food and Nutrition Department! From a surprisingly delicious toast recipe to anti-aging tips directly from a professor!

Jeongwaja returns with a second special episode! This time, he visits the student council! 💫 The highlight of student council work? The university festival! KAI takes on the mission of inviting aespa himself! Will he succeed...?

By chance, in my childhood~🎶 Visited the Voice Acting Dept. Korean Broadcasting Art School! From top-tier anime dubbing like Teenieping to meeting the legendary voice actors behind Conan and Luffy! Live reveal of the voices from your childhood✨

Jeongwaja, let's go to school! This time we went to Hanyang University's College of Education! From a 8th grade class demonstration to making your own textbook! A trip down memory lane.

Jeongwaja Finally Hits the Bread Scene 🥖 Today, we visited the Hotel Baking & Pastry Department at Korea Tourism College! From one-of-a-kind artisan loaves made with a Master's top-tier recipe to a chocolate workshop bursting with sweetness 🍫 Bread-spoon KAI's hands-on baking adventure ✨

Pikachu! 1 million volts! Today, we visited Yonsei's Department of Electrical and Electronic Engineering! From buzzing beginner analog labs to hidden electronic theories in real-life applications! A thrilling engineering deep dive by JeonKAIja, the engineering student!

The language of our nation differs from that of China🤴🇰🇷 This time, we visited Korea University’s Department of Korean Language and Literature! From classes that dig deep into phonology to emotionally rich lectures on modern poetry! And so, KAI became a literary boy📚

Which major should we try today? Take a guess! For the first time ever, Jeongwaja visits the Division of Liberal Studies! Today, everything’s free and flexible. The university is free, the major is free, even the classes are free?! So, which department will our Jeongwaja end up in…?

The long-awaited ballet episode is here, Snackie! From a deep dive into ballet terminology to hands-on practice with the classic Swan Lake! Will KAIja nail the ballet—or tear something else?

Jeongwaja back with summer break, part 1 at SNU Insect Club! 🦟 From spine-chilling insect mukbangs to full-on summer break vibes with bug catching! And, to enjoy the break the special guest, TEN, is invited?!👀

This is the second lesson! Part Two of the summer break special, Senior University! From anti-aging secrets and the low-intensity health dance to heartwarming creative writing classes! Plus, the perfect guest for Senior University: Lee Myeonghwa, RALRAL’s alter ego!

Salute! 🫡 JeonKAIja X JANG WONYOUNG ordered to a boot camp experience at the Military Science Department! It's 🍀Lucky Vicky JANG WONYOUNG🍀 and 👿Unlucky JeonKAIja 👿 enlisting together From the legendary Number 8 PT whole body twisting to the three-line crossing under the blazing sun? (@: Why is the bunny princess trying this hard...) JANG WONYOUNG takes a hard hit to the instep and in the end, Lucky Vicky missing in action?💔

End of summer break, start of the semester JeonKAIja is finally back! The true start of the semester is none other than the 0.1-second battle: Course Registration. From never-before-seen course registration tips to lightning-fast clicking skills that could outwin even Faker! Will JeonKAIja be able to avoid taking a break from school…?