Building on the whirlwind that was the year before, Rintaro celebrates a birthday to remember with Kaoruko and all their friends at a bustling amusement park. Not long after, Saku and Subaru sit down for a one-on-one study session, the pair's relationship deepening as they agree to meet again for a mock entrance exam. Meanwhile, the biggest thing on Kaoruko's mind is how fast Valentine's Day is approaching…
