http://www.mangago.me/read-manga/shiranai_kao/mf/v01/c006/15/the one that wears glasses and cross necklace that hugs the man sitting
Aren't they Yamashiro and Okumura from Love Control (Renai Control)?
http://www.mangago.me/read-manga/shiranai_kao/mf/v01/c006/15/
the one that wears glasses and cross necklace that hugs the man sitting