第 20 集: 武雄期待大和的 Valentine 巧克力，同時慶祝新妹妹真希
2015年8月20日 播出
Takeo is over the moon over his new little sister, Maki. With Valentine's Day approaching, Takeo's heart is set aflutter again since he has never gotten chocolates from a girl who liked him in his life. He can't wait to see what Yamato will give him, but... (Source: Crunchyroll)