If you're looking for manga similar to Brothers Conflict Special, you might like these titles.
I hear my younger brother has begun searching for a certain woman: his fated one, with whom he shared a night of passion at the masquerade ball. The tiny moles on her inner thigh are his only clue... But, I'm sorry, Alto. It was I, your elder sister! This is a sweet (?) love story brought to you by a contrarian heroine who can't be honest about her feelings. Don't let the title fool you! This love is pure, through and through!
Mitaka High School has a student council filled with super handsome men. However, the reality is... it's just a group of rough, bad boys that everyone is forced to listen to. Hitomi was caught by them on her first day as a transfer student. Moreover, she was forced by the Student Council President, Subaru, to "become my woman"!?!?
Meliarose, the beautiful daughter of the esteemed Maxwell family, has been chosen to play the part of villainess to help bring together the story's hero and heroine, paving the way for a romantic tale that puts all the storybooks to shame. However, try as she may, her "wicked" and "devious" attempts at meddling seem to all but fail, leaving our protagonists no closer to finding true love.
Grimoire Alchemist is a dating sim popular among both boys and girls in Japan. The player’s rival in love, Claudia Ellington, is jokingly called the “Villainess of a Thousand Deaths.” But this alias of hers is actually no joke; she really does die a thousand times in the game! Alas, our poor little protagonist ends up filling Claudia’s shoes when she gets reincarnated in the world of Grimoire Alchemist. Determined to escape the dire fate she has in store for her, Diehard Grimoire Alchemist Fan #1 (now the reincarnated Claudia) does everything she can to avoid entering the love interests’ romance routes in an attempt to separate herself from the game’s storyline and save her own skin. Despite her best efforts, she fails spectacularly as her love for the characters and game compendium of a brain lead to her pulling off impressive feats one after another. Join her as she (much to her dismay) magnificently steals the hearts of the game's charming love interests!
In a crazy turn of events, the Lycoris family has been targeted and reborn into the world of a yandere otome game. They can try to use their knowledge of their past lives to go straight to the ending of the game, but they have to watch out for the "bad ending"... Drama ensues and relationships form...maybe even a little too fast. Enter a world full of mystery and romance that's sure to take you on a wild ride!
The 30-year-old Suzuhara Azusa traveled to another world on the way home from overtime work! When it was in dangerous, shining beautiful knights appeared on the stage, and she was treated like a "princesses". The 30-year-old white-collar worker who is obviously interested in saving money is actually doted by these perfect knight and handsome prince! ?
Mari, a college student, wakes up and finds herself on a battlefield. Looking around in confusion, she sees many knights in Western-style armor, and they call out, “Her Majesty the Queen,” to her. Apparently, Mari’s “army” is in the midst of a battle, and they are badly outnumbered. Believing it to be a mere dream, she devises a plan to win the fight, but to her surprise…she is really in the body of a queen! In this miracle fantasy, an ordinary college girl struggles as a “queen” in a different world!
What if, when Katarina Claes was reincarnated in the dating sim from the original series, she didn’t regain the memories of her past life until she was fifteen? With less than a year to go before her destruction, Katarina must find a way to avoid all possible bad endings!