Toumei na Usui Mizuiro ni

Ritsu is willing to do anything for her best friend Ichika, including the intimate act of cleaning her ears. But when Ichika starts dating a boy, Ritsu realizes that she wants to be more than friends. Will Ichika push her away when Ritsu reveals her innermost feelings?
(Source: Seven Seas Entertainment)
Note: Chapter count includes 2 extras.