I love how this story still left some girls for other bros so everyone is happy. The main is very likeable with heroic and good nature personality. 10/10
I thought the building is not so good and nothing much to exploit, and here I'am the story is really interesting! The char dev, grow, setting and how they implant the plot.
Now, Onii-chan is dense sure, but if you keep yelling at him in the middle of the crow, then of course, you will make him stay away from you. Gotta make sure you keep your onii-chan dignity in front of other people!