Hirai is Murai's friend who is a womanizer. He is in the school's B class.
Appearances
Murai no Koi
Guest cast, played by Haruki Ishiya
- Episode 1x01: Episode 1 (Sep 4, 2024)
- Episode 1x02: Episode 2 (Sep 11, 2024)
- Episode 1x03: Episode 3 (Sep 18, 2024)
- Episode 1x04: Episode 4 (Sep 25, 2024)
- Episode 1x05: Episode 5 (Oct 2, 2024)
- Episode 1x06: Episode 6 (Oct 9, 2024)
- Episode 1x07: Episode 7 (Oct 16, 2024)
- Episode 1x08: Episode 8 (Oct 23, 2024)
- Episode 1x09: Episode 9 (Oct 30, 2024)
- Episode 1x10: Episode 10 (Nov 6, 2024)
- Episode 1x11: Episode 11 (Nov 13, 2024)
- Episode 1x12: Episode 12 (Nov 20, 2024)