Perfect World Series by Rie Aruga

Tsugumi Kawana (26 years old) reunites with her first crush from high school, Itsuki Ayukawa, at a get-together with an architecture firm and the interior design company she works at. He sends her heart aflutter, until she realizes he's now disabled, and in a wheelchair. At first she feels she couldn't date a guy in a wheelchair, but then her feelings begin to change...

IN SEARCH OF PERFECTION...?A company get-together reunites 26-year-old Tsugumi with her high school crush, Itsuki. In the years they've been apart, Itsuki has realized his dream of becoming an architect--but along the way, he's also suffered a spinal cord injury that's left him in a wheelchair. Seeing Itsuki again rekindles Tsugumi's feelings for him. It also forces her to confront her own hidden prejudices... moreIN SEARCH OF PERFECTION...?A company get-together reunites 26-year-old Tsugumi with her high school crush, Itsuki. In the years they've been apart, Itsuki has realized his dream of becoming an architect--but along the way, he's also suffered a spinal cord injury that's left him in a wheelchair. Seeing Itsuki again rekindles Tsugumi's feelings for him. It also forces her to confront her own hidden prejudices. Itsuki's disability seems like an intimidating obstacle at first, but soon, Tsugumi discovers that her world feels imperfect without him. less

インテリア会社に就職した川奈つぐみ(26歳)は建築会社との飲み会で、高校の時の同級生であり初恋の人・鮎川 樹と再会する。樹にトキメキを覚えるつぐみだったが、彼は車いすに乗る障害者になっていた。「樹との恋愛は無理」。最初はそう思うつぐみだったが……。

Perfect World 2How can I accept the sadness that is transmitted through body temperature? Kawana Tsukumi who became acquainted with his first love in wheelchair, Ayukawa Izutsu. However, as love deepens, In addition, the home helper who likes Itoki With the appearance of the classmate Correa who likes Nagasawa and Tsugumi, the unexpected happening starts when the cogs of the emotion start to be shifted ㅡ?!?

Tsugumi Kawana has started dating her first crush, Itsuki Ayukawa, who's in a wheelchair. However, amidst the harsh opinions of those around her, she becomes sick and falls from a station platform becoming badly injured. Tsugumi returns to her hometown of Matsumoto to recuperate. While Itsuki makes a decision as he struggles through various trials. Which is—

Heartbroken, Tsugumi rides home from the Ferris wheel with Itsuki in silence. She tries to come to terms with Ituski ending their relationship, but she just can't seem to swallow her lingering feelings. When she's at her lowest, it's Koreda who comes to support her. Tsugumi is torn between her first love and her unrivaled support! And in the middle of everything, even Itsuki's helper Nagasawa-san caves!

After her breakup with Itsuki, Tsumugi leaves Tokyo for her old home in Matsumoto...and after one stormy night, she finds herself in a relationship with Koreda! Tsugumi thought she was over Itsuki, but she meets Kaede, who uses a wheelchair, and Keigo, her boyfriend who wants to build her a house that meets her need...and, shockingly, Itsuki refuses to design it for him! The news plunges Tsugumi's heart into turmoil... Meanwhile, big changes are in store for Nagasawa and Itsuki's relationship.

Keigo asked Itsuki to design a barrier-free house so he can be together with Kaede, who uses a wheelchair … but Itsuki said no. Now, Tsugumi’s headed for Tokyo to try to convince Itsuki to change his mind. Tsugumi doesn’t know how to feel about seeing him again, but she does her best to let Itsuki know how Kaede feels. Moved by Tsugumi’s sincerity, Itsuki agrees to take the job... moreKeigo asked Itsuki to design a barrier-free house so he can be together with Kaede, who uses a wheelchair … but Itsuki said no. Now, Tsugumi’s headed for Tokyo to try to convince Itsuki to change his mind. Tsugumi doesn’t know how to feel about seeing him again, but she does her best to let Itsuki know how Kaede feels. Moved by Tsugumi’s sincerity, Itsuki agrees to take the job. Before they part, he asks her a surprising question: “Is he looking out for you?” How will she answer? Feelings collide and emotions clash in Volume 6! less

Tsugumi and Itsuki find themselves working together on a barrier-free house for Kaede and Keigo. The morning before the topping out ceremony, a huge earthquake hits...and no one can get hold of Itsuki. As Nagasawa and Koreda make their way to Matsumoto from Tokyo, Keigo and Tsugumi head for Itsuki's house on foot...and they don't have a second to spare!

Itsuki and Tsugumi spend the night after the earthquake together in a van outside the shelter. Koreda and Nagasawa arrive from Tokyo the next day, and Nagasawa takes Itsuki to a different shelter and away from Tsugumi. Unfortunately, Koreda learns that Tsugumi and Itsuki spent the night together. Later, Tsugumi's friend, Maika, invites her out to Tokyo, and Tsugumi accepts...only to learn that Maika's boyfriend, Haruhito, who uses a wheelchair, broke up with her some time ago... moreItsuki and Tsugumi spend the night after the earthquake together in a van outside the shelter. Koreda and Nagasawa arrive from Tokyo the next day, and Nagasawa takes Itsuki to a different shelter and away from Tsugumi. Unfortunately, Koreda learns that Tsugumi and Itsuki spent the night together. Later, Tsugumi's friend, Maika, invites her out to Tokyo, and Tsugumi accepts...only to learn that Maika's boyfriend, Haruhito, who uses a wheelchair, broke up with her some time ago. They say they have no regrets...and Tsugumi finds herself at Itsuki's apartment that night instead of Koreda's. less

Tsugumi and Itsuki finally realize their feelings wholeheartedly, while Nagisawa and Koreda come to terms with their relationship. Tsugumi's father has a hard time accepting her attachment to Itsuki...but is that enough to create a rift between these two? It feels like things are coming full circle, and these four are hopeful that things will blossom.

Now happily married, Tsugumi and Itsuki start their life as newlyweds. Their relationship and careers are going smoothly, and they cherish the everyday moments shared together. They couldn’t ask for more, but when they start thinking about the future, they inevitably wonder how they feel about starting a family. But having a child is proving to be a challenge for the couple, especially for Tsugumi...

WELCOMING OUR NEW MEMBERTsugumi and Itsuki decide to think seriously about adopting. The process involves a myriad of challenges, including the many requirements for adoption, what to do about work, parenting with a disability... But they work through them one by one, towards the vision of the family they gradually piece together. What's in store for the future of their family, and what will their child be like?

TELLING THE TRUTHAfter overcoming a myriad of challenges, Tsugumi and Itsuki adopt a baby boy named Koki. As time passes, their bond as a family only grows stronger. Meanwhile, the day approaches for their next task -- to tell their son that he was adopted.