“One Song, One Life” is a rhythm adventure game where the music and story change based on the notes you hit. Take control of Sumire Kirishima, a girl striving to become the ultimate net artist and perform alongside her idol. Your performance will shape her destiny—one song, one life.

“One Song, One Life” is a rhythm adventure game where your performance changes both the music and the story. Every note you hit determines the path of a girl chasing her dream of becoming the best net artist and standing on the same stage as her idol.You’ll play as Sumire Kirishima, a 19-year-old girl from Tokyo. Raised by her father after her parents’ divorce, Sumire is talented but selfish—willing to put everything on the line for her goals, even at the cost of others.As she climbs the ladder of the music world, she’ll face temptation, manipulation, and betrayal. But don’t worry—no matter how deep she falls, remember: Life itself is just one song.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/8a1cff5a743cb6e3d1d7d0ce9c16d1dd.poster.avif?t=1777355660" width=560 height=314 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/8a1cff5a743cb6e3d1d7d0ce9c16d1dd.webm?t=1777355660" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/8a1cff5a743cb6e3d1d7d0ce9c16d1dd.mp4?t=1777355660" type="video/mp4"></video><h2 class="bb_tag" >Characters</h2><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/c65a438078edcfb8f6d3a5ce65c9841e.avif?t=1777355660" width=547 height=628 />Sumire Kirishima Age: 19 / Lives in Tokyo Raised as a sheltered daughter by her father after her parents divorced. Ambitious and strong-willed, but often self-centered and lacking in teamwork.<h2 class="bb_tag" >Game System</h2><ul class="bb_ul"><li>Tap notes in rhythm with the song to build your score!<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/6c8e0c28a9b20a43a3b81d94b4e24004.avif?t=1777355660" width=700 height=486 /></li><li>Choose your path when “decision notes” appear—your choices shape the story!<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/bdfb4bf91792132e97706b5b06e6dc68.avif?t=1777355660" width=700 height=486 /></li><li>Your performance determines both the music and the scenario that unfold!<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/4d196a0c14bff154440153be956ae3f7.avif?t=1777355660" width=700 height=486 /></li><li>Each song represents a lifetime—see where Sumire’s story ends!<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/6ba4623c21baebda6edd35d9a3665faa.avif?t=1777355660" width=700 height=486 /></li><li>Miss too many notes, and it’s game over!<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/7a4451d00c700208541c35093ac26892.avif?t=1777355660" width=700 height=486 /></li></ul><h2 class="bb_tag" >Lots of Event CGs</h2>Enjoy beautifully illustrated scenes depicting Sumire’s rise and fall.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/466ce14512c5fb00891d83763c62fe6e.avif?t=1777355660" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras_big/466ce14512c5fb00891d83763c62fe6e.avif?t=1777355660 width=1560 height=878 /><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/2a7f1bb77e66477c0027a577e4a54b5c.avif?t=1777355660" width=1560 height=878 /><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras/64a261a875bacef0f4ca5a329d13dcc1.avif?t=1777355660" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4101830/extras_big/64a261a875bacef0f4ca5a329d13dcc1.avif?t=1777355660 width=1560 height=878 /><h2 class="bb_tag" >About Streaming</h2>Streaming and monetized videos are welcome! Please include the Steam URL in your video description. If that’s difficult, a verbal mention during your broadcast is also fine.

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One Song, One Life Achievements