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Tatsuhiro Sato is woken up from his deluded dream of conspiracies, by his noisy neighbour playing loud anime music non-stop. All this could be put to an end if he'd just go next door to complain however Tatsuhiro is unable to do this because he is a “hikikomori”. He later meets a girl named Misaki, who will later change his life around.

In the park late at night, Tatsuhiro meets Misaki who claims to be able to cure him of his hikikomori ways, as long as he signs up to her project. Tatsuhiro remains stubborn and decides to forget about it however Misaki doesn’t give up that easily. So in the spur-of-the-moment Tatsuhiro lies by telling her that he has a job as a “creator” but she doesn’t believe him and asks for proof.

By chance Tatsuhiro discovered that his noisy otaku neighbour was in fact an underclassman he knew from High School and they end up deciding to create an eroge (erotic game). Before this Tatsuhiro must first get some inspiration by trying out some eroge himself nonetheless he gets absorbed into the sordid world of bishoujo “beautiful girls”.

The eroge creating has begun however Tatsuhiro has writer’s block, as he is unable to come up with a scenario or a main heroine for it their eroge. So Kaoru drags him out to many otaku hotspots, like maid cafe, to help him come up with a heroine but this appears to be a new world to him.

After 4 years and 4 months, Tatsuhiro has run into his old senpai from High School, Hitomi who now has become a civil servant. His reunion with Hitomi may have sparked something inside him, because now he feels the need to stop running away and to face his problems as a hikikomori. Now the counseling can begin.

Tatsuhiro is struggling with the scenario for his eroge but this has to wait as he has his 2nd counselling session with Misaki. During this session the subject of Kaoru’s girlfriend comes up, which comes as a shock for Tatsuhiro who never thought of him as the girlfriend type. To confirm this Tatsuhiro follows Kaoru to his design school, where he happens to get lost and ends up in a class for game writers.

Ever since his panic attack at Kaoru’s designs school, Tatsuhiro has become even more of a hikikomori and hasn’t stepped out once. However something unexpected has happened as he receives a phone call from his mom, who’s wants to meet him to see what he has planned for the future. Tatsuhiro feels that he’ll just end up being dragged back home due to his current lifestyle, so he ends up lying to his mom that he works for a company and has a girlfriend. This will prove to be a very troublesome lie but luckily Misaki volunteers to help.

The day for Tatsuhiro’s mom to visit has come and he is totally unprepared, as his room is in such a state and requires intensive cleaning. When his mom arrives they all go out for lunch in Chinatown. Tatsuhiro begins to feel the guilt from lying to his mom and considers revealing the truth to her, nevertheless she may already be unto him and Misaki and their lies.

Following the recent intimate moment that nearly occurred between Tatsuhiro and Misaki, Tatsuhiro just can’t seem to get her of his mind. With Summer vacation finally here, Kaoru invites Tatsuhiro to the Summer Comic Market however they first need to finish the eroge they started, in one months time.