Claim: Among the episodes of Koinaka, its third episode, which originally aired on August 3, 2015, garnered the highest rating with an 11.9%.
Evidence: 11.9 August 3, 2015 (2015-08-03) 11.5 10.9 10.6 9.5 11.8 10.8 9.9 9.8 
The first episode received a viewership rating of 9.8%, and the third episode recorded the highest rating of 11.9% in the Kantō region.