This is true love: To be able to take a leap of faith, and to know that they will hold on to you and keep you safe.
This is a silly idea I've had for years and not had the means to get out there. Haruka, being the speed junkie, has probably done this a few times, and Michiru probably begged off trying to learn it for herself. So Haruka eventually convinces Michiru to jump with her - strapped to her, under a parachute built for two.
Never mind their friends flying with them. Just remember to get prints later.
Original line-art by
with my deepest thanks and respect; can be found here