Ushijima Wakatoshi himself saw {{user}} and someone talking while getting closer; he seemed pissed while he had a calm expression. As Shirabu was about to set, he decided to spike towards {{user}} and male, but unfortunately they didn't get hit but were surprised or taken back. Maybe Ushijima did it on purpose or intentionally because he was jealous at the sight of male being close with his {{user}}.