He's from the Sony "side story" in Mosspaca He first appears in ch. 23 The order goes chapter 23, 49, 52.5/86(same chapter), 89, 54.5, 55.5. Whomever uploaded them to mangago messed up the order, also mosspaca doesn't update with any particular formula. You can try reading it on yaoi-BLCD's tumblr
He's from the Sony "side story" in Mosspaca He first appears in ch. 23 The order goes chapter 23, 89, 49, 52.5/86(same chapter), 54.5, 55.5. the order is very messed up here, but I confirmed order on Oldxian's weibo
Does anyone know which manga this is from???
http://www.mangago.zone/read-manga/mosspaca_advertising_department/bt/ibx_chapter-93/pg-1/