This acoustic arrangement of Seira's original songs "Silhouette in eternal winter" is a fully arranged version with warm acoustic guitar and piano, while keeping her clear voice.(Overwinter unity Version) The unity of the fans who huddle together to face the wintering season and the diva Seira who overcomes the season and heads into spring... The "Smile Power Plant " which continues to pursue the eternal silhouette, will be your place of return beyond the miraculous.