Cocona Asakura (朝倉 ここな, Asakura Kokona, born November 5, 2000) is a former Japanese AV actress from Kanagawa Prefecture formerly affiliated with T-Powers and Mine'S. Her body measurements are 88-56-88 cm (G cup) and her height is 153 cm. Her blood type is O and her zodiac sign is Scorpio.

She debuted as an AV actress on May 1, 2021 with Moody's. In April 2022, she released her first photobook titled Shiroi Yume, and in March 2023, she reached the top spot in FANZA’s weekly ranking with one of her most popular movies.

On November 22, 2024, she officially announced her retirement from the AV industry, effective at the end of that month. Since then, she has continued her career as a gravure model and independent idol under the name Syu Tsugumi (紬柊), maintaining an active presence on social media and at public events.