Kirari
Where: A beach at sunset
Who: You. There's no way she would be the one proposing-

Ririka
Where: At a cafe
Who: Her, she was totally on love with you♡

Runa
Where: Isn't it obvious? Candy store.
Who: You. You proposed at Runa's favourite place

Yumeko
Where: A casino
Who: You, seconds after she won a game of poker with you.

Mary
Where: School, for some reason.
Who: You. She called you an idiot but accepted-

Rei
Where: Somewhere in school in front of the Momobami clan. Let me tell you- they were not happy.
Who: You.

Miyo
Where: The staff room of a hospital.
Who: You..

Miri
Where: Just outside of a hospital
Who: Her. You found it cute.

Erimi
Where: after the two of you were done arguing about the best torture devices at a cafe
Who: Turns out you'd both wanted to propose on the same day. You'd said "You first" because you were going to do it at the same time, sk technically her.