A social butterfly makes friends with a wallflower--whether he's ready or not! Junta Shiraishi blends into the background so much that even his classmates fail to spot him. His goal is to make the most of his high school life, but that pesky invisibility gets in the way.until Nagisa Kubo notices him! Kubo's playful teasing kicks Shiraishi out of his comfort zone and begins a friendship--or is it something more? A surprise heart-shaped cookie bewilders Shiraishi on Valentine's Day. White Day comes along, and Shiraishi has his chance to return the favor. Oblivious to the identity of his secret admirer, Shiraishi enlists Kubo's help to give his reciprocal gift. Meanwhile, Shiraishi and Kubo's classmates and family can't help but catch on to their budding relationship.