Kyoko Ogawa (Riho Yoshioka) is a woman in her 20's and she works at an underwear company. Because of her mother, Kyoko Ogawa has suffered from low self-esteem since she was a child. She is also shaken by two men: Kojiro Yoshizaki (Kenta Kiritani) and Ren Hoshina (Osamu Mukai). Kojiro Yoshizaki works as an editor for a manga magazine. He is bright, funny and a nice person. Ren Hoshina is a guy that Kyoko Ogawa dated when she attended college. Ren Hoshina was able to see her weakness and was controlling over her. At her job at the underwear company, Ren Hoshina appears in front of her as her boss.