Ichigo Aika

• Name — Ichigo Aika: Strawberry Elegy • Ja Kanji — イチゴ哀歌～雑で生イキな妹と割り切れない兄～ • Ja Romaji — Ichigo Aika: Zatsu de Namaiki na Imōto to Warikirenai Ani • Genre — Romantic comedy

• Type — manga • Author — Hirafumi • Illustrator — Yagi Shinba • Publisher — * CLLENN • Suiseisha • Magazine — DEDEDE • First — November 27, 2022 • Volumes — 12

• Type — tv series • Director — Pyuta Konno • Writer — Eeyo Kurosaki • Music — Aiue Oka • Studio — Studio Hōkiboshi • Licensee — OceanVeil • Network — BS11, Tokyo MX • First — January 5, 2026 • Last — March 23, 2026 • Episodes — 12 Ichigo Aika: Zatsu de Namaiki na Imōto to Warikirenai Ani is a Japanese adult manga series written by Hirafumi and illustrated by Yabi Shinba. It began serialization online on the Comic CMoa service under CLLENN's DEDEDE label in November 2022. An anime television series adaptation produced by Studio Hōkiboshi aired from January to March 2026.

The series follows Kōta, who gets a new younger sister named Aika after his father remarries. Aika is a gyaru with a dual personality: she acts kindly to her parents, but shows a brattier side to others, including Kōta. Aika quickly develops a fondness for her new stepbrother, and the two form a sexual relationship.

• Aika Takamura • Hana Yurimoto • Kōta Takamura • Yūta Ikarashi • Yoshiyuki Takamura • Momosuke • Misaki Takamura • Iroha Haruno

An anime television series adaptation was announced on September 5, 2025. It is produced by Studio Hōkiboshi and directed by Pyuta Konno, with Eeyo Kurosaki handling series composition, Yoshihiro Watanabe designing the characters, and Aiue Oka composing the music. The series aired from January 5 to March 23, 2026, on BS11 and Tokyo MX as part of AnimeFesta. The ending theme song is 4='Love is a Prism', performed by Yuka Akashi and Yui Otokura. OceanVeil is streaming the series.