Nanaka Kosaka is a 20-year-old actress, with her date of birth being September 14, 2003 [1]. She began her career as an exclusive actress for S1 but later decided to leave and make her debut again at Kawaii [2].

Kosaka is known for her slender build and beautiful features, including her long hair and impressive bust [3] [4]. She stands at 172 cm tall and has a shoe size of an approximate US women's size 8 [1] [4].

In addition to her physical attributes, Kosaka is also recognized for her acting skills, particularly in intimate scenes with her boss, whom she has a complicated relationship with [3] [4] [5]. Her work has gained her a significant following, with over 500 followers on a social media platform [6].

Most recently, Kosaka made her debut at Kawaii and was featured in a scene where she received 21 cumshots in a special facial [8]. However, further information about her birthplace, sign, blood type, and measurements is missing from the provided contexts [1].