

単純だと言われたって
嬉しくなるから
いい年してそうね
ちょっと照れちゃったりして
諦めが良くなって
知ったようなことばっかしか
できなくなって
また今日がきて
ねえ素敵な素敵なものが多いから
もういいよないいよな私汚くたって
綺麗な綺麗なものは眩しいから
私顔を上げれない
どこにいたってなにをしたって
限りない思いが
ぶつかり合って絡まりあって
また私を歪めるから
「会いたい」も「会いたくない」も
苦しいも愛おしいも
押し合って溢れかえって
気づくのは自分だ
さよならさえ残さないで
いなくならないで
いい人だとそうね
きっと無理ばっかりするから
当然が嫌になって
聞いたようなことばっかとか
できなくなって
ふと振り切れて
ねえ素敵な素敵なものが多いから
もういいよないいよな私汚くたって
綺麗な綺麗なものは眩しいから
私顔を上げれないんだ
どこを見たって巡りまわって
もどってく道のり
躓いたってころげ回って
また光を夢見るから
「やめたい」も「やめたくない」も
正解も不正解も
ひしめいて溢れかえって
気づくのは辛いな
難しいことばっか
もうしたくはないからさ
あと何回同じ日々を編めば
見つけてくれるのかな
どこにいたってなにをしたって
限りない思いが
ぶつかり合って悲しくなって
また明日を迎えるから
「泣きたいの」「泣きたくないの」
言いたいこんな心が
押し合って溢れかえって
気づいてよここだよ
- Lyricist
Nee
- Composer
Nee
- Mixing Engineer
ikeda takehiko
- Mastering Engineer
ikeda takehiko
- Guitar
hase ryunosuke
- Bass Guitar
kanou masato
- Vocals
Nee
- Adapter
hase ryunosuke

Listen to Kokoro by ummumm
Streaming / Download
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Kokoro
ummumm
ummumm is a new rock project led by guitarist and vocalist Nee.
Following the previous band project Nazuna, the project was renamed ummumm in 2026. Building on past activities, Nee is expanding the project's creative scope through a freer and more diverse approach to musical expression.
All songs are written and composed by Nee.
Since May 1, 2026, ummumm has been releasing a new digital single every two weeks as part of an ongoing consecutive release series.
Artist Profile
ummumm
ummumm is a new rock project led by guitarist/vocalist Nee. Rooted in guitar-driven rock, the project explores a genre-fluid, alternative sound while building a distinct sonic world. Under the previous project Nazuna, Nee undertook an unconventional release strategy, dropping a first album over 11 consecutive weeks. The project gained strong traction across streaming platforms, earning placements on numerous playlists. On Apple Music, it was featured on "Breaking: J-Rock" for 24 consecutive weeks, with 8 out of 11 tracks appearing on "Latest Songs: J-Pop." On Spotify, multiple tracks were included in official playlists such as "She Rocks" and "Sekirara." Beyond streaming, the project also received recognition in the live scene, being selected as a Best Act in "AWA MOSH PIT," a program by JAPAN LIVE HOUSE INTERSECTION × AWA. The latest release, "Collage," sees Nee handling all lyrics and composition, presenting a more personal artistic vision while further deepening the expression of guitar rock. In 2026, the project was rebranded as ummumm. Building on past work, it continues to expand its scope with a freer and more expressive musical direction.
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