The harassment from Alfine ー his girlfriend and childhood friend ー who is the same age, grew up with him, and became adventurers together, is painful. She is a peerless beauty known as the "Flawless Sword Goddess" and has the title "Sword Master." Her achievements were recognized by the kingdom as a knight and gained a noble title. On the other hand, he is treated as Alfine’s verbally abused accessory and suffers from her harsh harassment, resulting in him losing his dignity. He has resigned himself to spending his daily life in the position of a lover-cum-caretaker. However, a change came to that daily life!