photos news photos news O-Negative 2016 ended 1 season Drama Five schoolmates who share a blood type navigate the vagaries of friendship, love and university life. watched want to watch news ✕ loading… photos ✕ cast A Aratchaporn Phokinpakorn Chompoo Violette Wautier Prim Jirayu La-ongmanee Art Thanapob Leeratanakachorn Puen Supassara Thanachart Phoon Apasra Lertprasert Som-O Poom Rungsrithananon Uan seasons Season 1 26 episodes · 2016
