These mangas also have kare shirt but I don`t know exactly where^^
http://www.mangago.me/read-manga/no_6_dj_shion_kun_s_underwear/
http://www.mangago.me/read-manga/ezakike_e_youkoso/
http://www.mangago.me/read-manga/kare_no_shousou_to_koi_ni_tsuite/
http://www.mangago.me/read-manga/asa_to_mitya/
and these mangas have the tag
http://www.mangago.me/tag/boyfriend+shirt/
Scene boyfriend shirt, in manga/manhwa/manhua plz(▰˘◡˘▰)