Ramírez de Arellano started rapping her lyrics in 2018 to beats she downloaded from
YouTube. Her first song was "Quiero". She posted her work to Instagram, under the handle @samuraimiko. In 2022, Young Miko released her debut extended play,
Trap Kitty, featuring
Latin trap tracks. It was later announced that her record label, The Wave Music Group, had signed a long-term distribution agreement with Capitol Music Group (CMG) to support her upcoming release. In 2023, Young Miko's
reggaeton song "
Classy 101", a collaboration with Colombian artist
Feid, reached number 99 on the
Billboard Hot 100, marking her first appearance on the chart. She also joined her onstage to perform "
Dispo". She was featured on the album of Puerto Rican rapper
Bad Bunny,
Nadie Sabe Lo Que Va a Pasar Mañana, with the song "
Fina". The song peaked at number 14 on the
Billboard Hot 100, marking her second entry on the chart. Young Miko performed at
Coachella in 2024. Accompanied by a band, she delivered some of her most popular titles, including the "
Chulo" remix and her Bizarrap session, "
Young Miko: Bzrp Music Sessions, Vol. 58". On April 24, Young Miko released her debut album,
Att.. The title is shorthand for “
atentamente,” which means “sincerely” in Spanish. It features collaborations with
Dei V,
Feid,
Jowell & Randy,
Elena Rose and
Villano Antillano. The album peaked at number 9 on the
Billboard Top Latin Albums and number 129 on the
Billboard 200. Young Miko has also expressed her interest in acting. Her first acting appearance was in the film
Sneaks, where she voiced Tiffany alongside other artists like
Mustard,
Swae Lee, and
Roddy Ricch. In 2025, Young Miko performed at the
Governors Ball Music Festival in Queens, NY, and
Lollapalooza in Chicago. The previous night, she performed at a sold-out aftershow featuring guest band
Latin Mafia at the
Aragon Ballroom. At the festival, she also met the girl group
Katseye, with whom she collaborated with for the "
Gabriela" remix. In September, she became the first Puerto Rican
Council of Fashion Designers of America ambassador. On November 7, 2025, a day before her 28th birthday, Young Miko released her second studio album,
Do Not Disturb. Its 16 tracks demonstrate intense production that reflect the chaos around the artist, and she describes the album as "
Scorpio-coded". for the first time. The two night shows were sold out and featured multiple guest performances. Night one guest performances included
Bad Gyal,
Eladio Carrión,
Elena Rose,
Tokischa, and
Villano Antillano. Night two guest performances included
Bad Gyal,
Feid,
Kany García,
Mora,
Omar Courtz,
Tainy,
Tokischa, and
Villano Antillano; with
Rauw Alejandro being in attendance. Young Miko appeared at the
Super Bowl LX halftime show alongside
Pedro Pascal, Karol G, and other Latin American celebrities. In March 2026,
Gap launched a new campaign with Miko as the star. The campaign's name,
Sweats Like This, features a slight remix of her hit single "WASSUP". This is the first Spanish language video campaign by Gap and she is the brand's first openly lesbian Latina face. == Personal life ==