Timeline

1832
 * Joel Goldschmidt I creates the zoo.
 * He finds a mummy in Iceland.

1833
 * 8 April
 * The mummy is brought to the zoo.
 * Joel and Amshel dissect the mummy.
 * They find two cocoons inside the mummy but could not open them.
 * They noticed that the cocoons absorb blood.
 * 4 August
 * Two baby girls are born from the cocoons.
 * One girl is kept unnamed for experiment while the other one is raised by Joel and named Saya.

1863
 * Saya is raised with much care.
 * The unnamed girl is prisoned under care of Amshel and left to be experimented on.
 * Joel notices that time has stopped for Saya as she has stopped growing after reaching 16 years.
 * 2 June
 * Saya scrapes her hand but it heals before Joel could wipe the blood.
 * Joel discovers that Saya's blood has healing abilities.
 * Joel mixes the blood samples of Saya and her unnamed twin; the resultant crystalizes.
 * Joel decides to experiment on the chiropteran reproduction and sends Amshel to find a groom for Saya.
 * Amshel buys Hagi from his parents and he is introduced to Saya.