If you're looking for anime similar to I'm the Soldier's Ex-Girlfriend, you might like these titles.
Married and with a child on the way, Miaka and Taka couldn't be better. That is, until an obsessive young girl enters the universe of the four gods, with her heart set on using Suzaku's power to not only steal Taka, but Miaka's baby as well! Taka must now return to the world of his past to not only save his family, but the rest of the kingdom as well!
Tamahome is gone -- but not forgotten. He has been reincarnated as a man named Taka in Miaka's homeworld, and as fate would have it, they have met each other yet again. The memories of Tamahome's past and love for Miaka remain intact, but are trapped within memory globes in the Universe of the Four Gods. It's up to Miaka, Taka, and the rest of the old gang to find Taka's memories and help their homeland once more!
The beautiful Athanasia was killed at the hands of her own biological father, Claude de Alger Obelia, the cold-blooded emperor! It’s just a silly bedtime story… until one woman wakes up to suddenly find she’s become that unfortunate princess! She needs a plan to survive her doomed fate, and time is running out. Will she go with Plan A, live as quietly as possible without being noticed by the infamous emperor? Plan B, collect enough money to escape the palace? Or will she be stuck with plan C, sweet-talking her way into her father’s good graces?!
Poisoned to death by her own betrothed?! Eunha didn’t wake up in a novel’s story just to get killed off again as an unfortunate extra! To change her story she needs a cover… 6 months pretending to be the fake fiancée of the novel's male protagonist, Duke Noah Wynknight. But will this cold-hearted, angel-faced demon of a man really help her avoid another ill-fated ending?!
After dying of overwork in Japan, Dahlia is reborn into a world filled with magic. Raised by a master of magical toolmaking, she develops a passion for the craft and becomes engaged to her father’s apprentice. Before her father can see her wed, however, he suddenly passes away. As if this weren’t enough, on the day before their wedding, her fiancé announces that he’s in love—but not with her! Dahlia finally realizes she needs to live for herself. She vows to be her own woman from now on and devote herself to her craft, even if it’s not quite the quiet life she was hoping for! From a chance encounter with a knight to starting her own company, there are challenges aplenty on the horizon. But this young craftswoman is no longer a shrinking violet—she’s Dahlia, and she’s ready to bloom.
Kozo Yukawa loves hot springs! He’s a hot spring hunter that can sniff out the very source of them! One day, in an effort to bring notoriety to a small town, he goes out searching for a secret hot spring, when he slips off a cliff! After perishing in the fall, he is reincarnated into another world by a fox god. Kozo is not reincarnated alone, and is joined by the messenger princess of the fox god, Mayudama. Smelling the stinking, rotting egg smell of a nearby hot spring, he runs to jump in along with Mayudama. That’s when an elf girl appears… who proceeds to attack them! After resolving their differences, Kozo decides to spread the knowledge and wonders of hot springs throughout his new world! Encouraging people to take off their clothes, soak in the hot water, and heal the whole world!
After the events of Fushigi Yuugi, Miaka and Tamahome are happily living on Earth. But upon visiting the Byakko and Genbu priestesses' graves, Tamahome magically vanishes without a trace, leaving a distraught Miaka behind. Someone from their past, it seems, is convinced that Tamahome is not who he appears to be, and is willing to do anything to prove it. Against all odds, can the two be reunited, or are they doomed to stay apart forever?
Shen Yuan is reborn as a handsome young cultivator, Shen Qingqiu - the mentor of Luo Binghe, the overpowered main character. Unfortunately, Shen Qingqiu is actually a scum villain destined to die at his disciple's hands! But... why do all the female lead's scenes feature him instead!? Since he's a scum villain, why does he keep getting wrapped up in the main character's plot and sacrificing himself for him!? He wants to prove that even scum villains can live, and be cool while they're at it!