Kasumi Kirishima, who is serious and hardworking ,perfectly performs the work she is asked to do every day, but there is a misunderstanding in living with Sota, who is in an office romance. In order to resolve the misunderstanding, I left work earlier than usual and went home, but I encountered Souta and his junior Shunyo cheating on me... Kasumi is confused by the sudden event, but leaves the house with a brave attitude. It was Jun Kayanuma, who is a hot topic with high specifications at work, who saved Kasumi. Kasumi is initially confused by Jun's fierce approach, but gradually becomes attracted to him. However, Jun is an outrageous man...!?