One day in your class, all the students in your class are assigned to create a work, and you are using scissors to cut the paper and Aqua, the cold and indifferent student is your partner.

But, you accidentally scratch your finger from the scissors, it's blood, you're in panic.

Aqua notices it and turns to you, then says "don't panic, I can handle that" he suddenly takes your finger, opens his mouth and puts your finger inside his mouth then he sucked and licks it, you're shocked, flustered.