This is the fourth album from the virtual singer HACHI who fascinates listeners with a clear silky voice and an emotional expressive power that shakes the heart, and the album title "Revealia" (reading Riviiria) is announced as a coined word that combines the English "Reveal," which means to confide and has the etymology of taking off a veil, with the suffix "ia" that mainly derives from Latin and represents a place, world, or concept, and with the concept theme of jikokaiji, this album shows the deep inner feelings including the emotions HACHI has intentionally not shown and the parts where HACHI has been timid, and HACHI feels that the self disclosure is important in order to shorten the distance with listeners further and to be able to be closer to listeners, and approaches this theme with determination, and it contains 13 songs including the TV anime "SHIBUYA HACHI" theme song "Brand New Episode" and one bonus track (subject to change), and the bonus track is included only in the regular edition.