Kim Ji-woong

Early life and training

Ji-woong’s road to ZEROBASEONE was not a clean trainee-to-debut line. He first debuted in 2016 with INX, then appeared in the pre-debut and short-lived groups ATEEN and B.I.T. Those experiences included promotions that did not become stable careers, which is the unglamorous side of idol history most profile pages erase.

He then moved into acting, appearing in web dramas including The Sweet Blood, Don’t Lie, Rahee, Convenience Store Junkies, and the BL drama Roommates of Poongduck 304. Acting gave him a separate audience and trained the stillness, eye focus, and emotional economy that now shape his idol camera work.

Boys Planet: how he reached the lineup

By the time Ji-woong joined Boys Planet, he was older than most contestants and had already survived several versions of the industry. That made his story different from a first-time dream narrative. He was not discovering whether he wanted to debut; he was deciding whether he could stand another attempt.

He finished eighth and joined ZEROBASEONE. His ranking turned a career full of almosts and restarts into the biggest platform he had held, but it did not erase the earlier groups or acting work. Those chapters are why fans respond so strongly to his persistence.

Career with ZEROBASEONE

Kim Ji-woong debuted with ZEROBASEONE on July 10, 2023 through Youth in the Shade and “In Bloom.” The original nine-member run moved quickly: multiple million-selling releases, Korean and Japanese promotions, award shows, tours, brand work, and a fandom that always knew the project clock was running.

Within ZEROBASEONE, Ji-woong supplies a lower, grainier vocal color and a mature visual counterweight to the group’s brighter members. He also continued individual fan activity and reopened a personal Instagram account in March 2026, giving his actor-singer identity a home beyond the shared group feed.

When the original term ended in 2026, Ji-woong remained in the continuing five-member ZEROBASEONE with Sung Han-bin, Seok Matthew, Kim Tae-rae, and Park Gun-wook. Their first mini album in that formation, Ascend-, deliberately moved toward contemporary R&B, groovy hip-hop, and a more mature performance style.

Skills, voice, and stage identity

Ji-woong’s value is texture. His voice does not need to be the loudest to change the temperature of a verse, and his acting experience lets him land a close-up with minimal movement. As a dancer, he is strongest when choreography asks for controlled weight, clean silhouettes, and sensual restraint rather than frantic detail.

What to watch

• Eye focus: he often finishes the emotional idea of a shot before the edit cuts away.
• Lower-register lines: his tone gives contrast to brighter vocalists.
• Stillness: he understands that the person moving least can sometimes own the frame.

Era map

• “In Bloom”: the bright debut image and the pressure of arriving with a built-in ending.
• “CRUSH” and “Feel the POP”: heavier performance work followed by playful summer-pop precision.
• “GOOD SO BAD” and “BLUE”: stronger vocal identity and more confident camera work.
• “LOVEPOCALYPSE”: the emotional closing stretch of the original nine-member chapter.
• “TOP 5”: the first clean introduction to the five-member era. His darker delivery gives the flirtation weight and keeps the smooth production from becoming too polite.

Fandom file

Ji-woong’s fandom overlaps idol fans, drama viewers, and people who followed his earlier groups. That creates a deep archive: old performances, acting scenes, survival-show moments, and a long record of refusing to disappear. Useful trivia should respect that career instead of reducing him to “the handsome oldest member.”

The important line between useful fandom detail and nonsense is evidence. Nicknames, habits, and inside jokes belong here when they are traceable to broadcasts, interviews, or the member himself—not because a random graphic with seven fonts repeated them.

Current chapter

The 2026 continuation gives Ji-woong a rare thing in idol careers: time after the supposed ending. He remains part of the five-member ZEROBASEONE while also maintaining individual channels. The opportunity now is to connect his acting instincts and vocal color to work that feels written for an adult performer rather than a generic youth concept.

For the full group timeline, current lineup, discography, and sourced tea, go to the ZEROBASEONE group page.

Sources and official pages

Official ZEROBASEONE profile · Current group profile · Official YouTube · Official group Instagram · Personal Instagram announcement