If you're looking for anime similar to Shonen Linda, you might like these titles.
"Love makes a girl stronger." Saki Uno is working hard as part of the new idol unit, Magical Twin. The one she admires most is Mohiro Mikage, who’s the older brother of her idol unit partner Sakuyo, and he’s also a member of the top idol unit STAR☆PRINCE. She would be willing to do anything for him, and one day, those feelings brought on a miracle. Saki ended up turning into a magical girl when she strongly wished to protect someone... But what she turned into wasn’t exactly what she was expecting...
Ink Nijihara, who does very well in her high school English class, has a crush on her classmate Nao; but as she is both shy and clumsy, she finds herself unable to get closer to him. Furthermore, since he does poorly in English, he does not intend to go to a university, crushing Ink's dreams of going there together with him. Out of the blue, a talking duck who turns out to be a polymorphed (and perverted) wizard exiled from a magic kingdom falls from the sky and lands in front of Ink. He offers her magical powers in return for helping people in need. Ink sees the magical girl transformation as a chance to help Nao with his English without feeling embarrassed about it, and thus she begins her adventures as Magical Teacher Pastel Ink!
Souji is an average high school boy and devoted lover of pigtails. But when monsters with a thirst for human spirit energy invade earth, Souji (along with the help of a mysterious pig-tailed stranger) must transform into a pigtailed girl to defeat them.
Red Riding Hood Chacha is an aspiring young mage who can't seem to get her spells right, commonly performing blunders like summoning a bouquet of noses instead of roses. But when her famous master and magician Seravi decides to send her to Magic School, things couldn't be better. Along with were-puppy Riiya, love-struck Shiine, Black Riding Hood Yakko-chan and other new friends, Chacha must survive both the evil forces which threaten the land and sadistic (yet still somehow caring) teachers alike!
Several years have passed since Binan High's Earth Defense Club saved the world from an alien invasion that sought to sap the world of love—okay, maybe that's how it happened. The truth is that no one really remembers if something like that happened or not, and now five friends-of-convenience share the defunct Earth Defense clubroom to goof off after school. But even if they don't know the club's history, their gathering at the local bathhouse attracts the attention of another adorable extraterrestrial: Karurusu, the otter-prince of Honyaraland. As part of his planet's conquest initiative—"tributary outreach program"—Karurusu transforms these five misfits into magic knights who will bring happiness to all lost souls. Unfortunately, the fox-prince Rafunui has his own ideas about how to improve this Earth colony, empowering his own trio of dark knights to oppose this new batch of magical boys.
Natsuru used to be a typical student with a crush on Kaede, one of the school idols, until one day he awakens to discover that he’s turned into a busty girl! Having been chosen to become a Kampfer by the mysterious Moderators, Natsuru is now required to not only fight other Kampfers, but also to transform into a girl while doing so. Aided by a stuffed tiger, Natsuru must now battle it out with other boobalicious babes and continue to try to get close to Kaede – a task that will now be easier as she’s fallen for Natsuru’s female form! Can Natsuru keep his secret safe while maintaining his double life?
Natsuru dreamt of being a lady killer. Instead, he got turned into a Kämpfer, a lady who’s supposed to fight and kill! Now, he’s stuck splitting his/her days between being a typical Japanese boy and an atypical Japanese girl. What's worse, Natsuru’s convinced to move in with three other Kämpfers, and things really get hopping when Natsuru takes a job at the Bunnygirl Café! Getting in touch with your feminine side’s a full-contact, no-holds-barred, Amazon action-fest in Kämpfer für die Liebe!