Based on the visual novel company Lune. The main character grew up without a mother and doesn't know what motherly love,he learns a prestigious school,but not trying very hard,but because of his assessment, though not the worst but far below his real ability.It says his teacher Shirakawa Miwa and tries to help him with grades,she is kind and gentle supports his advice,and sometimes the warmth of your motherly love. Based on the visual novel company Lune. The main character grew up without a mother and doesn't know what motherly love,he learns a prestigious school,but not trying very hard,but because of his assessment, though not the worst but far below his real ability.It says his teacher Shirakawa Miwa and tries to help him with grades,she is kind and gentle supports his advice,and sometimes the warmth of your motherly love.