Mio Sudou, a 30-year-old office lady, hasn’t had a boyfriend in five years and has forgotten all about love. Shuuji Mashima, a consultant working abroad, hasn’t had a girlfriend in seven years and has lost almost all interest in women. When meeting him at a dating party, Mio is disgusted by Shuuji after he says, “I’m not into women”. But when Mio makes a provocative remark to Shuuji, things take an unexpected turn.