Karin Maruyama (丸山 夏鈴, Maruyama Karin, 2 August 1993 – 22 May 2015)[3][4][5] was a Japanese singer and tarento. She was born in Kōriyama, Fukushima Prefecture. She graduated from Shōshi Kōtō High School.[6] She was nicknamed Rin-chan (りんちゃん). She was represented with Happy Strike.[7] She had a brain tumor removed during her second year of elementary school. After that, by the time she made her debut, she had one operation in the second year of junior high school and two operations in the third year of high school. During her hospitalization for surgery, she was influenced by the appearance of idols she saw on television and wanted to be like them too, so she decided to begin a fight against cancer to achieve her dreams.[8] After she died, she was buried in Nichirinji Temple, Motomiya. Her sister is Miss iD 2016 finalist and Go Yoshida Award winner Yuka Maruyama.
^Maruyama, Machiko (22 Oct 2014). "夏鈴のお薬の一部公開". Cherry Kame (Hahaoya Machiko ni yoru Twitter) (in Japanese). Twitter. Retrieved 11 Feb 2017.
^Maruyama, Karin (2 Jul 2012). "初撮影会!ありがとうございました!". Karin Maruyama no "Karin no Yume e no Kaidan" (in Japanese). Ameba Blog Blog. Retrieved 12 Feb 2017.
^Maruyama, Machiko (25 May 2015). "丸山夏鈴の奇跡のラストステージ". Childish (Hahaoya Machiko no blog) (in Japanese). Ameba Blog. Retrieved 12 Feb 2017.
^Maruyama, Machiko (22 May 2015). "丸山夏鈴は本日13時10分に静かに息をひきとりました". Cherry Kame (Hahaoya Machiko ni yoru Twitter) (in Japanese). Twitter. Retrieved 12 Feb 2017.
^Maruyama, Karin (13 Dec 2014). "(´-') .。oO (12月12日 イルミネーション点灯式のこと)". Karin Maruyama no "Karin no Yume e no Kaidan" (in Japanese). Ameba Blog. Retrieved 12 Feb 2017.
^Maruyama, Karin (27 Jun 2012). "ミスiDに応募するまで". Karin Maruyama no "Karin no Yume e no Kaidan" (in Japanese). 12 Feb 2017.