|Airdate||December 21, 2013|
|Ending||Twinkle Snow '13 by Akari Tsuda|
|Previous Episode||Episode 11|
|Next Episode||Episode 13|
After last night's incident, Haruki fell ill. Setsuna treats him. Haruki feels guilty for betraying Setsuna. Setsuna tells Io about how she ruined Haruki and Kazuka's relationship by confessing her feeling to Haruki, while being aware that Kazuka was in love with Haruki, as she saw Kazuka kissing a sleeping Haruki on the night of the festival. Kazuka secretly attended the graduation cermony, but leaves after hearing Haruki's speech. Haruki searches for Kazuka , and finda her in the park near his house. Kazuka confesses her feelings to Haruki and they kiss.