Things are blowing up in more than one sense when Yuto works up the nerve to ask Natsumi to watch the fireworks with him! Later, Kazama and Sakurai bond over a snowball fight, Futaba's Christmas plans get derailed by champagne, and Takeda and Futaba begin coaxing Momiji out of her shell. This volume also includes an all-new story from Natsumi and Futaba's school days where we learn Natsumi's surprising, bittersweet secret. EXPLOSIVE DEVELOPMENTS Things are blowing up in more than one sense when Yuto works up the nerve to ask Natsumi to watch the fireworks with him! Later, Kazama and Sakurai bond over a snowball fight, Futaba's Christmas plans get derailed by champagne, and Takeda and Futaba begin coaxing Momiji out of her shell. This volume also includes an all-new story from Natsumi and Futaba's school days where we learn Natsumi's surprising, bittersweet secret.