Falling in Love with a Girlfriend Split into Seven Personalities

A gentle, capable wife; a mature beauty with long legs and stockings; a cute, innocent loli; a sexy upperclassman; a scheming, yandere younger schoolmate; a shy, timid younger sister; and a cool, elegant queen. Having all seven of these personalities in one girlfriend would be both troublesome and exciting. But how can anyone handle having to pamper seven girlfriends at once?!