Baekho: A girl who can cook well, and can eat a lot with him
Ren: A girl who match well with him or a girl who lies down looking at the blue sky above the green fields
Minhyun: A girl who can cook well and who has an interest in fashion
JR: A girl who treats him well
Aron: An innocent girl with a bright smile

(I know I already put Aron's but I didn't want to leave Aron out of this fact)

Source: Kuki Brunch Star Interview

Fact given to us by Venus_Cupid