Please note that there will be some differences between light novel and the manga
Main: http://www.famitsu.com/comic_clear/mobile/se_altina/
Ch 1: http://ct.webcomic-eb.com/viewer/EB/aominetuba_001/hakennokou_001/0001-0/index.html
Ch 2: http://ct.webcomic-eb.com/viewer/EB/aominetuba_001/hakennokou_001/0002-0/index.html
Ch 3: http://ct.webcomic-eb.com/viewer/EB/aominetuba_001/hakennokou_001/0003-0/index.html