childhood friend + short hair + tsundere = losing heroine classmate who was helped when in trouble + long hair + honest with her feelings + sexy body & big boobs = winning heroine
Like I said fucking author bias for the FL. The most useless of the bunch handed the win over the obvious true ideal maid. Sakurabo sabotaging Akiho by playing favorites with FL and vindictively taunting Akiho. The author shouldn't have made this a harem if they have an obvious favorite they want to win.