Claim: Among the episodes of Koinaka, a television series starring Sota Fukoshi who was also known for his character in the Kamen Rider franchise, its third episode, which originally aired on August 3, 2015, garnered the highest rating with an 11.9%.
Evidence: Koinaka (恋仲, KOINAKA ~ Best Friends in Love) is a Japanese television drama series premiered on Fuji TV from July 20, 2015 on Mondays at 21:00. Sota Fukushi played the lead role for the first time in getsuku drama, Tsubasa Honda played his childhood friend, and Shūhei Nomura played his rival in love. He rose to prominence portraying Gentaro Kisaragi in the Kamen Rider franchise, and has since starred in television series Koinaka (2016) and My Lover's Secret (2017), as well as films Strobe Edge (2015), My Tomorrow, Your Yesterday (2016) and Bleach (2018). August 3, 2015 (2015-08-03) 9.8 9.9 11.9 10.8 11.8 9.5 10.6 10.9 11.5