Kyou Kara Omega ni Narimashita
Munechika is an alpha, Kanade is a beta.... until he's not. He goes into heat, spending it with his childhood friend. Soon enough, their parents decide for them to move in together, and become mates. But Munechika seems reluctant, and it's tearing at Kanade's heart-- he's been in love with his best friend since forever
Guang Xiang
A fluffy story about falling in love with your best friend when you guys are kids (that also deals with homophobia and other topics) -- Go on the translators tumblr to see non-fuzzy images
Boku To Neko To Hatsukoi Kousa
The mc loves his best friend who has a borderline abusive dad (why was that never resolved) and saves him from getting molested by a teacher. Then they start dating and the best friend is a little devil when it comes to shutting down straight girls for his boyfriend <3
Ichi Ni no San!
Having a crush on your supposedly straight best friend is hard when you're in middle school :/
Kurayami Ni Strobe
Tldr I've fallen in love w my best friend and i take lots of photos of him casually haha no homo! And I'm not confessing because im scared of rejection and the homophobia that can happen (I rlly wanted more on the side couple tbh) Sawa: yes i have internalized homophobia no i dont want to talk about it
Caramel Honey
Ayato ("Bun-chan") is a nerdy boy who attracts violence easily. He transfers to a school full of delinquents, where Horiguchi, the top dog, has fallen in love with him. [Extra couple: Horiguchi's brother, Masato, and Fumisawa, his bullying victim, fall in love (and are still together in their 30s)
Amai Kaori Ga Surun Desu
Ishikawa is a professional baker with a resting bitch face and a soft spot for sweet and soft things. Hashimoto is his coworker who has a crush on him, but is too shy to act on it.
Kore Wa Koi Ni Fukumare Masu Ka
Hiiragi saves Asahina from being raped, and has the idea of them fake dating so guys will leave Asahina alone. What happens next may shock you
Suki ni Nattara Dame desu ka?
Shiraishi teases Natori, his teacher, saying he must like guys. To quell Natori's anxiety over being found out, Shiraishi comes out to him as well. They begin developing a strong relationship, and start officially dating when Shiraishi graduates [nsfw only after Shiraishi has graduated]
Motoyan Papa to Hitsuji-sensei