Side stories released exclusively on DVD.

On the last Valentine's Day before her high school entrance exams, Nana Suzuki tries to build up the courage to confess to her longtime crush. However, when her chocolates are accidentally ruined, she rushes back to her house to make more—not realizing that the microwave has been turned into a strange invention by her grandfather. Suddenly, six additional copies of Nana appear, each possessing their own extreme personality and a crystal that grants them magic powers! With her plans ruined, Nana vows to confess to her crush in her first year of high school. The only problem is that her crush is top student Yuuichi Kamichika, and following him to his elite high school will mean that she has to hit the books. With six new allies to help her, Nana begins to prepare for anything that the exam season might throw at her.

Haruka Tsuchiya is a plain and simple university student who has a pet by the name of Okojo-san. Okojo-san was actually born in one of the mountains in the North and brought to one of the pet shops to be sold. Determined to get out of the pet shop, Okojo-san formulated an escape strategy and ended up in the house of Haruka. There are always funny and strange occurances happening around the two, be it the people or animals who are near them. This is a gag anime in which absurdity is the main feature of the story. (Source: ANN)

The rivalry between three piano geniuses in Towa Hall starts with the prodigy Kousei Arima. While his emotive first performance enamors the free-spirited Emi Igawa, Kousei eventually evolves his technique to become exact and precise, finding himself a new follower in the eccentric Takeshi Aiza. Unbeknownst to outsiders, the two other players begin to target Kousei with their respective performances. Emi attempts to convert Kousei back to his old self with her vibrant playing, while Aiza turns his admiration for Kousei into motivation to beat him at his own game.