影沼あげは (Kagenuma Ageha) of VTuber agency ARAWAZA drops her first original song ハナマルアンビシャス！(Hanamaru Ambitious!) as part of the agency’s 1st anniversary relay — and it’s one of those tracks where the concept, the energy, and the performer click together so completely that it’s hard to imagine anyone else singing it.
What ‘Hanamaru Ambitious!’ Sounds Like
This is a bright, bouncy J-pop track with real momentum behind it. 先田貴裕 (Sakita Takahiro) of Dream Monster handles the music and arrangement, and the production is punchy without being overproduced — the kind of upbeat pop that doesn’t just ask you to feel good but actually makes you feel good. There’s a cheeky guitar solo in the bridge that the lyrics literally call out (“せーので！ギターソロ！ / Ready? Guitar solo!”), and it lands perfectly because the whole song has that kind of playful self-awareness baked in.
The chorus is immediately hooky, and the verses pack in rapid-fire lyrical references — the periodic table mnemonic, Japanese historical era sequences, powers of ten — delivered with the breathless enthusiasm of someone who’s genuinely having a great time. It shouldn’t work as well as it does, but it absolutely does.
Ageha’s Vocal Performance and Why the Fit Is Perfect
Kagenuma Ageha’s whole persona is a self-described “big-sister type who used to be a rental girlfriend” — warm, a little chaotic, impossible not to root for. Hanamaru Ambitious! is written for exactly that energy. The lyrics are about showing up for people, about finding you wherever you’ve gotten lost, about the radio-host-like warmth of someone who always has time for you. Ageha sells every bit of it.
Her delivery is loose and expressive in a way that suits the material — she’s not performing polish, she’s performing personality. The chorus has real lift to it, and the call-and-response sections feel genuinely fun rather than formulaic. Chorus support from 桑原苑美 (Kuwabara Sonomi) adds warmth in the right places without crowding her out.
The Lyrics: Gold Stars and Showing Up
The title is a compound of “hanamaru” (花丸) — the big circle stamp Japanese teachers put on perfect work, their equivalent of a gold star — and “ambitious.” The whole song is built on that combination: the warmth and approachability of someone who wants to give you a perfect score just for being you, paired with a genuine drive to be there for people in a big way. カシラテ (Kashirate)‘s lyrics weave in study mnemonics, historical era lists, and escalating number sequences not as random quirks but as expressions of Ageha’s character — someone whose energy is encyclopaedic and a little unstoppable.
The emotional core is in the second half: “even if my fingers let go, even if I can’t touch you anymore — listen carefully. I’m right here.” It’s the same thread that runs through a lot of the best idol-adjacent pop, but it lands here because the song has spent three minutes making you believe it.
ARAWAZA’s 1st Anniversary and What This Release Means
All four ARAWAZA members are releasing solo original MVs on the same day in relay format to mark the agency’s first year. ARAWAZA debuted in June 2025 with an explicit mission to let each talent’s individual “wild skills” define them — not to sand everyone down into the same shape. A year in, four simultaneous original song drops is a strong statement that the concept has legs.
For Kagenuma Ageha specifically, this is a milestone. The MV by 涼木ゆう (Ryougi Yuu) and illustration by 白木しろ (Shiraki Shiro) give the whole thing a polished visual identity that matches the song’s confidence. The mix by 比留間泰生 (Hiruma Yasuo) keeps it punchy and clear. ハナマルアンビシャス！ is exactly what a first original should be: a song that tells you who this person is and makes you want to stick around to find out what she does next.
Track Credits
- Title: ハナマルアンビシャス！(Hanamaru Ambitious!)
- Vocals: 影沼あげは (Kagenuma Ageha)
- Lyrics: カシラテ (Kashirate)
- Composition & Arrangement: 先田貴裕 (Sakita Takahiro) / Dream Monster
- Chorus: 桑原苑美 (Kuwabara Sonomi)
- Recording Studio: studioFine
- Recording Engineer: 藤井邑親 (Fujii Munechika)
- Mixing Engineer: 比留間泰生 (Hiruma Yasuo)
- MV Director: 涼木ゆう (Ryougi Yuu)
- Illustration: 白木しろ (Shiraki Shiro)
- Label: ARAWAZA
- Released: June 22, 2026
▶ Watch: 影沼あげは (Kagenuma Ageha) — ハナマルアンビシャス！(Hanamaru Ambitious!) (Official MV) on YouTube
