Riiko Izawa

Riiko is a young, flat-chested (according to Soshi, 28 A-cup) who has bad luck with boys. She is one of the main characters. When she helps a strange salesman named Gaku, she ends up ordering a cybernetic boyfriend. Though initially shy around her new boyfriend, Riiko begins to fall in love with him, while also finding herself struggling with her new admirer, Soshi Asamoto.