It's Called Love is a romantic shoujo manga that consists of 5 short stories. Each story is done by a different author but in each you will experience the various expressions of love such as heartbreak, first kiss, etc.

1) To Be Your Number One by Ayu Watanabe

2) Sakura Tears by Keiko Suenobu

3) Special by Ikeda Yukio

4) Summer Love by Tsugumi

5) The Force of Dreams by Harui Yuna

As proud daughter of House Monique, Aristia was raised to become the next empress of the Castina Empire. But with the appearance of a mysterious new girl, everything has fallen apart: the Emperor has turned his back, and Aristia’s miserable life as a lower queen is cut short by death. However a second chance to change her fate sees her reborn ‒to 7 years earlier! “Is this a dream or reality? Will my destiny repeat?”

(Source: MU)

Note: includes a prologue