四葉 環 (CV.KENN) is a fictional character voiced by KENN, a talented voice actor and singer in the realm of Japanese media. The character 四葉 環 belongs to a multimedia franchise that often includes music as a key component, such as idol groups or animated series with a musical focus. KENN, whose real name is Kenichiro Ohashi, was born on March 24, 1982, in Tokyo, Japan, and has lent his voice to a number of popular anime and video game characters over the years. He is well-known not only for his voice-acting prowess but also for his musical talent, both in character and as a solo artist.

KENN's portrayal of 四葉 環 has been showcased through various musical releases, often tied to the storylines and character development within the franchise. "Wonderful Octave," "Four Leaf Ring," and "LOVE&GAME" are recent musical works that highlight KENN's ability to bring the character to life through song. These tracks typically feature a mix of pop and expressive ballads that aim to connect with the audience on an emotional level, especially fans of the franchises he is a part of. The songs not only showcase KENN's vocal range but also help build the world in which 四葉 環 exists—creating a vibrant and engaging experience for listeners and fans who follow the character's journey.