It captures a girl who sings beautifully, pursues her dreams with fiery passion, and radiates charm in every step of her journey.

Thank you to all the media for taking the time to attend and report on our debut showcase. 🥰.

Selamat pagi, awali harimu dengan push back. 😎.

RT @danilkahg: @seohyemon iyaaa sama sama yaaaaa.

RT @crescent_msh: 250813 Push Back.#Atheart #앳하트 #Seohyeon #서현

RT @crescent_msh: 250813 Dot Dot Dot.#Atheart #앳하트 #Seohyeon #서현

Overflowing with gratitude for our incredible fans who lit up our debut stage! Your electrifying fanchants gave us unstoppable strength. The dazzling outfits, the vibrant mood, the unforgettable energy—every moment was pure magic. Thank you we'll cherish this moment forever! 💖

RT @atkattelyn: 𝖸𝖾𝖺𝗒𝗒 𝗆𝗎𝗌𝗁𝗈𝗐 𝗉𝖾𝗋𝗍𝖺𝗆𝖺 𝗄𝗂𝗍𝖺 𝗌𝗎𝗄𝗌𝖾𝗌!

A star is born! Her dark ponytail sways with every graceful move, stealing hearts in a dreamy purple uniform. First love vibes in her solo fancam, radiating pure elegance. 💜

AtHeart Fancam @ M!Countdown [MPD 8K] PLOT TWIST.

'HOT DEBUT' AtHeart - Plot Twist 💓.

Finally its our turn to join Plot Twist Challenge. Right eonni? @atkattelyn 🥰

Day 1 as ending fairy. 🥰🧚‍♀️.

Today we make our debut stage on M!countdown. 🥰 Its still feel surreal. Thank you so much for the fans who comes to support us. 💓💓💓.

RT @MANGUANTARA: @seohyemon Asik! Sekali lagi congrats ya cakep. 🥳.

🤓

𝟐𝟓𝟎𝟖𝟏𝟒.𝑶𝒖𝒕𝒇𝒊𝒕 𝑶𝒇 𝑻𝒉𝒆 𝑴𝑪𝑫 : 𝑶𝑶𝑻𝑴.with AtHeart (앳하트). Don't forget to watch AtHeart on M!countdown live. 💜.