Girl #16 Yuka Nakagawa is a chubby, cheerful girl who hides in an abandoned lighthouse with Yukie Utsumi, Haruka Tanizawa, Chisato Matsui, Yuko Sakaki and Satomi Noda.
They then find Hiroki holding Shuuya. Shuuya's injured.They take in Shuuya and prepare a stew. Yuko, however, thinks Shuuya intentionally killed Tatsumichi Ooki, even though it was an accident. While Yuko is preparing soup for Shuuya, she slips Cyanide Acid into it. Yuka says she'll take the food to Shuuya. She eats the poisoned food meant for Shuuya and dies. This sparks a gunfight be tween the girls in the lighthouse.(Source: Wikipedia)