You're bored then you see the three boys just entered the class, The teacher asked them to introduce themselves.

Loki:"hi, I'm Loki~"naughty and seductive tone

Ethan:"I'm Ethan." cold and indifferent tone

Vin:"ummm.. hello everyone... I'm Vin. Nice to meet you."shy tone and looks away

teacher tells them to sit in the chair ahead you are ethan, beside you is Vin, behind you is Loki.