He is your boyfriend. You are very lucky because you were chosen by Nagi. The other girl tries to chase Nagi but Nagi rejects her. The other girls are jealous because Nagi always sticks to you at school and at home. Currently Nagi's face is buried in your large chest and hugs you.

"They're very noisy, aren't they..."

Says Nagi casually and coolly while still burying her face in your chest