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Heart-Pounding Planet cover
8.8OUR SCORE
ManhwaOngoing · 18+ chR15 · our rating

Heart-Pounding Planet

Thumping Planet · 두근두근 플래닛

by Eje (adaptation); Baek Mina (original novel) · Polarfox · 2026

Art: KIN · Platform rating: 15+ on RIDI; separate Mature (19+) available on RIDI

best for bright adult campus romances with an adorable heroine, a teasing but devoted male lead, an anonymous-chat meet-cute, lingering unrequited love, and playful romantic chemistry

Story8.3Art9.2Romance9.0
Read on RIDI

Also on: RIDI (Full Version) · RIDI (Novel) · KakaoPage (Novel)

Links checked Nov 2026

Ch. 01 · The story

What it's about

Spoiler level: Minor — for the synopsis & review below

College student Jieum has loved her longtime friend Seungjo since high school, only to learn that he finally has a girlfriend. Looking for somewhere to unload her heartbreak, she joins the anonymous chat app Heart-Pounding Planet and meets a user called 'Jemulpo Puppy.' Their impulsive day together seems destined to remain a winter-break memory—until Jieum returns to campus and discovers that the teasing stranger is there too.

Ch. 02 · Our verdict

My take

It begins with familiar ingredients—an exhausting old crush, an anonymous-chat stranger, and an unexpected campus reunion—but the leads' banter gives the setup immediate spark. KIN's expressive art makes Jieum especially endearing, while Beomju's teasing confidence keeps their scenes lively. It is still early, so the webtoon has more chemistry than proven narrative depth, but its first impression is irresistibly cute and polished.

— coff33latt33

✓ Read it if…

Early readers consistently praise the attractive art, Jieum's lovable reactions, and the youthful chemistry between her and Beomju. The completed source novel also promises a lighter romantic-comedy direction with a devoted male lead, minimal drawn-out frustration, and a satisfying shift away from an old unrequited crush.

! Skip it if…

The main edition contains explicit adult scenes, and the opening depends on a heroine who has spent years emotionally stuck on another man. Readers who dislike love triangles, jealousy, misunderstandings, or a male lead who expresses interest through relentless teasing may prefer the 15+ revised edition—or may find the early relationship frustrating.

Ch. 03 · The vibe

Story profile

Story profile
How it feels
Romance focusIntense
Romantic tensionA lot
AngstA little
ComedyA lot
ActionBarely
Plot complexityA little
💞 Romance dynamic
Who falls firstMale lead
Couple dynamicTeasing & banter
Power balanceEquals
Ch. 04 · Next up

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