3-pun Instant no Chinmoku
Complete | ICHINASHI Kimi | 2016 released
Step bros having requited love but not knowing about it so suffering ensues. People be complaining about the seme having sex with women at the start but I don't really mind, since they weren't together at the time anyway.
Bokura No Negai
Complete | yamamoto kotetsuko | 2012 released
Family romance. Including the love lives of all but one of the four brothers. Parents remarried became happy family for a little while then they died leaving three brothers and one step bro.
Kyoudai no Rule
Complete | Kanai Kei | 2000 released
It's good but i think the translation is kinda off? Like it doesn't convey the meaning it's supposed to. Not sure though I'd need the raws to be certain but I'm too lazy to search for them and check so heh. - Brothers love each other but are bound by rules.
Unholy Night