Responses
Koba realizes that what Ou-chan said to him at obon could have been an actual love confession, but it's confirmed by Inamura's facial expression and hand gesture (which also shows that Inamura knew about the whole thing when he didn't), so he gets flustered ^_^
this scene
http://www.mangago.me/read-manga/bokura_ga_koi_wo_ushinau_riyuu/uu/bokura_ga_koi_wo_ushinau_riyuu-chapter-7/13/
⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄