I ended up being disappointed.
It went quite downhill from the first season. Character development is non-existent and it's just the same events recurring in different scenarios. While I do understand that the anime is revolved around Haru, being the eldest brother, and Ren, being the youngest brother, having some sort of relationship between them, it was still very confusing. I couldn't tell throughout the whole anime if they're in a relationship, brotherly love or just desperate for lust. I'm going with the third one though.
Every time there's sexual tension between Haru and Ren, something interrupts them and it was getting quite boring. I get it, it's Shounen Ai not Yaoi but the scenes were quite silly.
They were traits of manipulation coming from Haru and while Ren was trying to be rebellious, he still fell for Haru. This is what I meant when I said character development is non-existent and the same events. It's just; Ren wants to do it with Haru, Haru doesn't YET he leads him on, Ren rebels, Haru punishes and the cycle repeats itself.
I hope they will work more on Season 3 [if there will be one]. I'm not giving up on his anime.
