La Alteración is the sixteenth studio album by Japanese singer Akina Nakamori and second studio album to be released during the 1990s. It was released on 21 July 1995 under the MCA Records label. The album includes the lead single "Genshi, Onna wa Taiyō Datta".

Akina Nakamori is a Japanese singer and actress. She is one of the most popular and best-selling artists in Japan. Akina achieved national recognition after winning the 1981 season of the talent show Star Tanjō!. Her debut single "Slow Motion" was released to moderate success, peaking at number thirty on the Oricon Weekly Singles Chart. Nakamori's popularity increased with the release of her follow-up single, "Shōjo A", which peaked at number five on the Oricon charts and sold over 390,000 copies. Her second album Variation became her first number-one on the Oricon Weekly Albums Chart, staying in that position for three weeks.