@Esper Nah, this type of relationship is actually common in Asia.
I've seen 25 years old woman with 29 years old man couple living together yet without any skinship. And it's as wholesome as this.
For Indonesian: The fifth volume already published by Elex Media last month. Go grab it fast, fellas!
http://elexmedia.id/users/9786230002694_king_of_idol_5