Singer-songwriter Eri Sasaki, who sang the outro theme song of TV animation "Laid-Back Camp (Yurukyan)", is releasing her 5th single "Fuyubiyori". The title song 'Haru no Tomonari' is the outro theme of "Laid-Back Camp (Yurukyan) SEASON2" written and composed by her. The "Anime Edition" comes with an original large-obi and the DVD includes a music video and its making-of.