Kinn's manga / #adapted into anime(1)

seme : kusakabe hikaru, band boy, golden hair, uke : sajou rihito, nerd guy, 1-6 : were in the movie except harasen's past 7 : their monologue after kusakabe kissed sajou impromptuously 8 : their montly visit after rihito went to kyodai, they measure each other ring finger's size