Live-action version: I'm very concerned about my brother's wife's health... Matsumoto Nanami NIMA-062

Even at home, his heart is always lonely—. A somewhat reclusive young man, Amano Ayumu, can't find a sense of belonging. His life subtly begins to change when his strict and excellent older brother and his wife start living together. Amidst his brother's cold and coercive words, he grows increasingly closed off, only finding warmth in his sister-in-law's gentle gaze when she unexpectedly appears. His heart is unconsciously drawn to her smile, her voice, her posture—and then, his radiant body, which is impossible to look away from. He knows he absolutely mustn't enter into that kind of relationship, but before reason prevails, emotion and desire drive Ayumu…