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Narumi Momose (a secret yaoi fangirl) decides to change jobs after her boyfriend breaks up with her, and runs into her childhood friend Hirotaka Nifuji (a hardcore game addict) at her new company by coincidence. Narumi tells Hirotaka that they're otaku friends, but Hirotaka has something that he wants to tell Narumi.

Narumi and Hirotaka went from being otaku friends to being in a relationship. However, Narumi feels awkward and starts avoiding Hirotaka. When they notice what's going on, their senior coworkers Hanako Koyanagi (a cosplayer) and Taro Kabakura (a mild otaku) try to give some advice.

Hirotaka invites Narumi to his house after work, but Narumi starts acting weird. As they head to his place, Narumi talks about her childhood memories, but tells Hirotaka that she doesn't remember how they started being friends. Hirotaka has a sad look on his face as he listens.

Hanako and Kabakura get into a fight when they go out for drinks after work one day. Hanako starts to worry because she thought that dating Kabakura would be easy since they were both otaku. Narumi is reminded of her own relationship as she watches Hanako and Kabakura.

Hanako and Kabakura see Narumi having fun talking to a Starbocks barista and start to get suspicious. However, it turns out that the young guy she was talking to is actually Hirotaka’s younger brother, Naoya Nifuji. Afterwards, they all end up going over to Hirotaka’s house together.

It’s the end of the year, and Christmas is coming up while everyone is busy. Hanako, who tells Narumi that last year’s Christmas was the worst ever, isn’t expecting much this year. Meanwhile, Kabakura is busy at work...

The group decides to get together to play an online game. However, while they wait inside the game for Hirotaka to join them, a rare enemy suddenly appears! Narumi, Hanako, and Kabakura aren’t strong enough to beat the enemy themselves and find themselves in a tight spot when suddenly, a savior comes to the rescue!

Hirotaka asks Kabakura what he and Hanako are like when they’re alone. Kabakura answers that they’re the same as Hirotaka and Narumi, but Hirotaka doesn’t fully believe him, and proposes a new idea to Narumi on the way home.

Hirotaka takes Narumi out on a date. However, Narumi has a hard time switching over to non-otaku mode. Hirotaka tells her that he wishes she acted more formally than normal, so they try going out on a date where they've made otaku things off-limits!

At work, Naoya notices a customer concentrating hard on a game. Naoya notices it's the same online game that he played before and tries talking to the customer, but the customer apologizes and gets up to leave…

Narumi goes over to Hirotaka's place on the last day of vacation while fantasizing about how Hirotaka would react when she shows up unannounced. However, when she rings the doorbell, no one answers.