“An ADV of eternity and changeless” A world dominated by “Cruel Spring” - a phenomenon that human will become “Sacrifice” if not keep moving. Only the boy and the girl, they have “Eternal Body”, go on a journey. The endless steps seem to be a happy changeless, but can't be the same forever...

“Eternity and changeless were with this music” - Of the music that colored the eternal and unchanging ADV “Living in Spring”, two original music, “Snowflake” and “Spring Is Here”, are sent out as soundtracks. The Spring will never return, and you're moving on...

“Eternity and changeless were with this images” - Of the images that colored the eternal and unchanging ADV “Living in Spring”, four event CGs are sent out as digital wallpapers. The Spring will never return, and you're moving on...