Yuko Oshima is one of the main members of Japan's national sensation, AKB48. She has been ranked the most popular AKB member once and second most popular twice.
Oshima was born on October 17, 1988. She was born and raised in Tochigi, a prefecture just north of Tokyo. Her family runs a sushi restaurant and she has one older brother. She got her start in showbiz at an early age of seven.
Oshima joined AKB48 in 2006 (as a second generation member). Her first single for AKB was "Aitakatta" or "I wanted to see you." In 2011, Oshima started a second idol group called "Not yet."
Oshima has previously said that she likes masculine men, men who are extremely muscular.