第 4 集: 情人節當天，山田送給京太郎自製巧克力，兩人並擁抱。

4

On Valentine's Day, Yamada is elated to receive free chocolates from other girls. At the library, Yamada and Kyotaro play a made-up game called 'chocolate shogi'. Yamada uses the game as an excuse to give him a lot of chocolate. After school, Kyotaro gives Yamada a ride on his bike. They stop by a convenience store and have a snack. While eating a chocolate, Kyotaro gets some on his face. Yamada leans close and shapes the smudge into a heart before heading home. Later they run into each other once more, and Kyotaro hands her a chocolate as a present. In the evening, Yamada uses the excuse of walking her dog to drop by Kyotaro's home. She spends some time walking with him and then they talk a bit. Kyotaro remarks that Yamada has been acting strangely all day. Yamada asks Kyotaro if he got chocolate from anyone, but he says he did not. He asks Yamada if she gave any chocolate out. In response she says that she only wants to give out heartfelt chocolate. After she says she won't give out obligatory chocolate, she hands Kyotaro a homemade chocolate for valentines day. Kyotaro realizes the romantic intention behind the present. After taking a bite, he tells Yamada that her chocolate is delicious and they hug. The next morning, the boys plan on what presents they should get the girls for White Day. Kyotaro manages to openly tell the boys he got chocolate on valentines day. When the school day ends, Yamada and Kyotaro head home with their arms locked. (Source: Wikipedia)