
Wait, but... Wait. So... Is the uke dating the brother or the lover (mari's) cause in one chapter the seme is beeing called by mari and afterwards we see her and her mother talking about him as her brother, but later on the uke says to the seme that he should break up with mari... So what is it now????? I'M iN coNfuSIoN, ExPlaIn pEoplE, ExPlaIn!!!!!!

In fact, Jun misunderstand "the meaning of Oppa" here.
In Korea, Oppa means older brother or honey for couple. In chapt 1 Mary call him Oppa which is means older brother as we all know Sihoon and Mary has same surename "Kim" but seems like Jun doesnt know about it because "Kim" is so many in Korea.
I'm sorry for bad explaination cause I'm not native english.

"lets go home, jun" me:... Oshiete oshiete yo sono shikumi wo...
http://www.mangago.zone/read-manga/meeting_him/uu/meeting_him-chapter-40/4/
I love the translators comments