Whoa, was not expecting this.

Reference comics, since it has been a while:
The genetic reconstruction plan:
https://sailorsun.org/?comic=966-genetic-reconstruction

Bay’s sample:
https://sailorsun.org/?comic=leaf-vs-sens

Bay and Heather making a stop:
https://sailorsun.org/?comic=1028-tuck-and-roll

Bay at HRC before the prison trip:
https://www.sailorsun.org/?comic=1030-lost-love

Ethan checking Bay’s hat:
https://sailorsun.org/?comic=1031-the-hat

Ethan went to the 2nd step:
https://sailorsun.org/?comic=1058-research