Firstly, I want to start off with a warning to potential readers. The manga contains rape, sexual harassment, and child sexual abuse (csa).
Now then, onto the synopsis: Sekine is a handsome and aloof office man who finds his life lacking. He doesn't have any hobbies, all of his relationships end prematurely, and he has, like, a single friend that regularly checks up on him. Deciding to do something about it, he stumbles onto an arts and crafts shop where the shop owner offers him lessons on magic tricks. He agrees to take the overpriced lessons, but finds himself stranded when the owner leaves the shop to his granddaughter to go on a "journey of self-discovery." The granddaughter, named Sara, then gives Sekine lessons in knitting and, without something to occupy his hands and his mind during the mind-numbing free time after work, he immediately goes for it. The manga covers the relationship between Sekine and Sara, and how Sekine tries to overcome the dullness of his life.
What makes this manga different from a lot of other shoujo manga is how the protagonist deals with his past.
Sekine, ever since he was a young child, was the victim of sexual assault and rape and these incidents continued on through high school and after. Teachers, tutors, strangers alike have all taken advantage of Sekine's naivete in order to have sex with him because he's just so handsome.
These experiences are so traumatizing that he has lost his ability to cope with his emotions and represses these horrible memories, which results in his aloof personality and confusion over basic human emotions. The manga does a really wonderful job of unpacking Sekine's trauma as he tries to find his own bit of happiness with Sara. And, thankfully, the manga makes it very clear that all of these past experiences left Sekine heavily traumatized and pretty much never sympathizes with his abusers.
Overall, it's a very refreshing manga that handles heavy, emotional topics with the gravitas and care they deserve. All of the characters were wonderfully written (and yes, that includes the asshole that tried to make Sekine jealous) and I adore Sekine's awkwardness and childlike nature. The pacing/paneling of the manga was also a joy to read and it really works with the art style. The art itself is quirky, if I had to guess I would classify this manga more along the lines of josei because of its story and art style. The mangaka also pays a lot of attention to hands, and seeing all of the knitted items is a real treat to be sure.