La+ Darknesss Drops "お姉さま♡ラヴコール" and It's the Most Fun She's Had on a Track

If there’s one thing La+ Darknesss (ラプラス・ダークネス) knows how to do, it’s command attention. The self-proclaimed Supreme Leader of Secret Society holoX just dropped her latest original MV — お姉さま♡ラヴコール (Onee-sama Love Call) — and it lands exactly the way you’d hope: loud, fun, full of personality, and surprisingly catchy.

Released on May 26, 2026, the track is already turning heads with over 77,000 views in its first day alone.

The Sound: Pure IOSYS Energy With a Hololive Twist

The production team behind this one is a serious flex. Lyrics and composition were handled jointly by Beat Mario (ビートまりお) and Maron (まろん), with arrangement by Maron of IOSYS — one of the most beloved doujin music circles in Japanese internet culture, famous for their infectious, high-BPM arrangements that live somewhere between J-pop, eurobeat, and pure chaos.

That signature IOSYS DNA is all over this track. Onee-sama Love Call moves fast, hits hard, and never sits still. The tempo keeps you on your toes from the first beat, and the melodic hooks are the kind that don’t leave your head for days. There’s a playful, almost mischievous quality to the arrangement that fits La+’s persona perfectly — this is not a song that takes itself too seriously, and that’s entirely the point.

Guitar work by both Kobayashi Hiroto (小林ヒロト) and Shibayan adds a live, punchy edge to the production that stops it from feeling purely electronic. The strings cut through at exactly the right moments, giving the track a physical crunch that elevates it above a standard idol pop release. Shibayan also handled vocal editing, while Maron took care of mixing — and the result is a clean, punchy master that sounds great at full volume.

La+’s Vocal Performance: Charismatic and Completely In Her Element

La+ has always had a distinctive vocal presence — that particular mix of bratty confidence and genuine warmth that makes her so watchable as a streamer translates directly into her music. On Onee-sama Love Call, she leans fully into that energy and it pays off beautifully.

Her delivery is playful without being sloppy, and she rides the track’s fast tempo with a comfort that suggests she had a genuinely good time recording this. The chorus in particular showcases how well her voice sits on top of high-energy production — she doesn’t get swallowed by the arrangement, she cuts right through it with that signature La+ attitude intact.

Recording was handled by Chiba Shunpei (千葉峻平), and the vocal clarity throughout the track reflects that care. Every syllable lands cleanly even in the busiest sections.

The MV: Vibrant, Fast, and Perfectly On-Brand

The music video, directed by TOYCAT, is a visual sugar rush that matches the track’s energy beat for beat. The color palette is bold, the pacing is relentless, and the overall aesthetic screams holoX — dark edges softened by La+’s unmistakable purple-and-black charm. Logo design by Asaka (あさか) keeps the branding tight and clean throughout.

Notably, La+ is also distributing dance motion data for the song, meaning fans and fellow VTubers can create their own dance covers using the official choreography. That kind of fan-first generosity is very on-brand for her, and it’ll almost certainly lead to a wave of community covers in the coming weeks.

A Track That Knows Exactly What It Wants to Be

Onee-sama Love Call isn’t trying to be a sweeping emotional ballad or a genre-defining statement. It’s a banger made to be enjoyed loudly, replayed immediately, and sung along to badly at 1am. It knows what it is, and it executes on that vision with complete confidence.

For fans of IOSYS, this is an easy recommendation. For fans of La+ Darknesss, this is everything you love about her in music form. And for anyone new to both — this is a fantastic place to start.

Onee-sama Love Call is available now on all major streaming platforms. Turn it up and try not to move.