
If you're looking for manga similar to B Group no Shounen (Light Novel), you might like these titles.
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...!
"I have something I want to talk about, so wait for me after school." Ryounosuke Tonomura hadn't really been able to talk with his childhood friend Shiori Hinagata lately... So for her to suddenly call him out like that... Could she possibly like him and want to confess her feelings?! Apparently not. Ryounosuke has never had a girlfriend, but for some reason, she wants to ask him for love advice. Maybe she's bad at choosing a good person to ask. When asked what the guy is like, she says he's close to her, kind, and very handsome... He goes to the same school, so she can talk to him whenever she feels like it... She doesn't have have any idea what his contact information is... And she's liked him for ages. Maybe it IS him, after all?! So, in the summer of their second year of high school, a sweet and flustering love story begins between these two awkward childhood friends.