manga/manhwa where the mc pretends to be kind

You mean like someone who looks perfect and kind on the outside but is actually different on the inside?

http://www.mangago.me/read-manga/gakuen_tengoku_sore_wa_koi_desu_koizumi_kun/ (The story involves different perspectives so nobody is the real MC)

http://www.mangago.me/read-manga/sono_kao_mitara_gaman_wa_dekinai/

Thank youuu:>>>