Boku no Kokoro no Yabai Yatsu 2nd Season

Synopsis

Kyotaro is back in class with Yamada, his arm is broken which impedes his day to day school tasks. His homeroom teacher recommends that he ask someone close to him in class to assist him. However, when the teacher points out Yamada could help, he quickly denies that they are friends out of embarrassment. Yamada however is standing right next to the door and Kyotaro quickly realizes she overheard what he said, she is greatly upset and avoids him for a while. After some time passes, Kyotaro gathers up the courage and tells Yamada that he is sorry for what he said to the teacher and that he did not mean it. He tells her he just did not want to put the burden of helping him on her, but she says that it's fine and that she wants to help him. They make up afterwards and Kyotaro agrees to rely on Yamada for assistance. Later on, Yamada spends three weeks assisting Kyotaro, whether it be studying, taking notes, carrying his belongings or with home economics class. One day, Kyotaro notices the boys brought an idol magazine to class, Kyotaro is surprised that Yamada is now starring in idol magazines and talks to her about it. Although apprehensive at first, he indicates that as long as she's enjoying her job that everything is fine. Later on at the library, Kyotaro inadvertently reveals to Yamada that his broken arm is partially due to her, Yamada is distraught over this. The next day, Yamada loses her precious keychain and is in tears, her friends try to help her find her keychain. After searching the path Yamada typically walks home, Kyotaro finds the chain, noticing it was hanging on a tree branch. Due to the worsening snowfall and because they are near Yamada's house, she invites him over to warm up.

(Source: Wikipedia)