Nagi has an "ideal boyfriend" who is tall, well-educated, good-looking, and just loves and heals her. But in fact, Nagi is dating... her fantasy boyfriend! She was so disappointed with real men that she was leading a fulfilling life by dating her imaginary boyfriend. However, a man who looks exactly like Nagi's imaginary boyfriend, Bino, suddenly appears...? You can't take your eyes off this sudden development! A slapstick heart-throb comedy!