
If you're looking for manga similar to Class de 2-banme ni Kawaii Onnanoko to Tomodachi ni Natta (Light Novel), you might like these titles.
Protagonist Sakuragi Ryou was in the "A group" in middle school. At least until he got caught up some trouble and developed a reputation as a delinquent. Wanting to live a normal, peaceful life in high school he decides to do a reverse high school debut, aiming to be in the boring, middle-of-the-pack "B group". Above all else he doesn't want to stand out. But then one day he encounters the school idol, Fujimoto Erika, being harassed by delinquents and begrudgingly decides to help her out. She then starts to develop an interest in him, which is going to make his goal of not standing out tough.
Sato Koharu is a pretty girl that everyone can recognize. But her attitude with anyone is so bitter that she got nicknamed “salt-god Sato-san.” Anyone who tried to get close to her got emotionally injured in a brutal way. Though for some reason, I was able to save Sato-san from pick-up bois where I was working at. Which made her like me, and thus I became a friend of “salt-god Sato-san.” In front of everyone, she is a salt-god, but in front of me, she is so sweet.
One day, the self-proclaimed “Selective Bocchi” Kusuba Ren, saves Tachibana Rika, a beautiful girl who is called “Takatsuki no Hana”, by chance. Rika forced him to get paid back, but his relationship with Rika did not end there. Their favorite shop is the same, they have a mutual friend, and they live next to each other. No matter what they do. They are, apparently, always together. However, as they continue their routine, they gradually open up their hearts to each other.
Then: Kunugi Kou waged bloody warfare as a hero in another world. Now: He’s a perfectly average high-schooler with a perfectly exceptional best friend: Ayase Kaito. The living incarnation of every cheesy romcom protagonist ever written, Kaito’s charming personality and looks that could kill have earned himself the harem of quirky beauties that every protagonist deserves—and Kou is dead-set on supporting him from the shadows as the ultimate wingman extra! And it’s all going great—that is, until a wrench is thrown into the works in the form of another romcom staple: the protagonist’s little sister, Ayase Hikari, who meets Kou under the most outlandish of circumstances possible. Even worse, it kinda sorta just maybe seems like she might have a thing for him? Now it’s up to the world’s most “extra” extra to crawl his way back into the obscurity he longs for!
I, Souda Kimitaka, was in the same class as the school’s number 1 beauty, Ezato Mina. However, I found out that despite her flawless exterior and excellence in brains and brawns, she had the same problem as I, namely a communication problem. Initially unconcerned with her, the distance between us gradually shortened when her seat was changed to next to mine.
Through a certain turn of events, Minato Tanaka becomes acquainted with Rena Saito. Rena is the most beautiful girl in school, but is known for being cold and unfriendly towards guys. Despite this, they begin having secret exhcanges as a result of their shared interest in reading books. Bewildered by the situation he finds himself in, Minato consults Rena Hiiragi, a older girl who works alongside of him at his part-time job. But little does he know that the girl he's consulting with is actually...!