
If you're looking for manga similar to Fujikura-kun no Nise Kanojo (Novel), you might like these titles.
Yamaguchi is a smart, rather popular boy who sits next to Satou-san who just can't seem to do anything right. She doesn't do well in school, is awkward, and freezes up whenever the attention is on her. But she's always optimistic and caring, and seems to face every challenge with a smile, even if she ends up failing at most of them. As they slowly get to know each other, Yamaguchi's initial feeling of discomfort starts to change...
In this deeply moving first-person story, a high school boy finds the diary of his classmate—and discovers that she’s dying. Yamauchi Sakura has been silently suffering from a pancreatic disease in school, and now exactly one person outside her family knows. He swears to her that he won’t tell anyone what he learned, and the shared secret brings them closer together. The two have very little in common, but they find themselves drawn to each other in Sakura’s final months to live.
Two young people in their first year of university, drawn to each other’s passion, establish a secret society to pursue those ideals. But as time passes, the demands of a world that isn’t kind to dreamers threaten to force them apart, filling the void between them with shattered hopes and the fallout of lies.
Ayaha is a college student who's married to Masato, an elite attorney who has the nickname "emperor"... But they spend their married life apart, with her in Japan, while he lives in New York. The marriage is actually a contractual one, under the agreement that they would divorce right after Ayane's graduation. But Ayane wants to avoid getting divorced, so she resolves herself to dieting and succeeds, resulting in her transforming into a total knockout. When she then goes to New York to see Masato, he doesn't realize she's his wife, and starts passionately seducing her...?!
When Toru Kamiya is pushed into falsely confessing his love to Maori Hino, she tells him she'll date him on three conditions. 1) Don't talk to her until after school. 2) Keep any communication between them concise. 3) Don't really fall in love. Unfortunately, he isn't able to keep the last rule—and when he tells her how he feels, she reveals that she has an illness that prevents her from remembering anything that happened the previous day, and that she uses a diary to keep track. But Toru is determined to build a relationship with her, one day at a time…
Minori is an illness-stricken, constantly bullied orphan. After one rainy day, she doesn't turn up at school, having been admitted into a hospital in a distant town. Two months pass, and the girl's two school friends, Takashi and Kyouko, receive a mysterious email with no sender listed. The email reveals a summer festival taking place at a nearby town.