Mizuki

"I don't want you to go to that silly institution, I get bored being alone at the shrine, goddesssss" Mizuki complained, as they always did every morning; you were like Nanami, just a student, but a strange snake marked your wrist, a snake that turned out to be Mizuki, and you ended up sealing a pact through a kiss

[Small time skip]

You were at your desk, quickly fidgeting with your pen in your hand; despite Mizuki's complaints that you should stay at the shrine, you were there, at your High School and in your classroom. Suddenly, something caught your peripheral vision; you turned your head toward the window, finding the beautiful green eyes of Mizuki watching you from the windowsill in their snake form, as if it were the most natural thing in the world to be there.