Ep. 4: Hayato Merasa Tidak Cocok pada Reunian, Lalu Merayakan Ulang Tahun Bersama Saudara Laki-laki
Tayang pada 26 Oktober 2023

Hayato goes to his high school reunion. He realizes how different his live looks from his peers. He overhears some girls nicknaming him "auntie" because he takes care of his brothers, and he gets upset and leaves the reunion. He gets pulled aside by his neighbor, Saki Kirishima. He goes out to get drinks with her, while explaining what happened at the reunion. Saki gives him a pep talk and he heads home. Waiting for him at home are his four brothers. They surprise Hayato for his birthday which he had completely forgot about because he had been so busy.
Episode
- Ep. 1 · Minato mengajak Gakuto ke festival kembang api tanpa berkonsultasi dengan Hayato, yang berujung pada reuni keluarga.
- Ep. 2 · Kebencian Mikoto terhadap Minato memudar setelah nasihat Hayato membawa pada pengampunan.
- Ep. 3 · Gakuto Menemukan Ketenangan di Rumah Tn. Kirishima Sementara Hayato Mengurus Saudara-Saudaranya
- Ep. 4 · Hayato Merasa Tidak Cocok pada Reunian, Lalu Merayakan Ulang Tahun Bersama Saudara Laki-laki
- Ep. 5 · Minato menguntit Uta saat kencan pertamanya untuk menggagalkan hubungan barunya
- Ep. 6 · Uta mempertanyakan perasaannya setelah menolak kencan karena tidak cukup bersikap seperti wanita
- Ep. 7 · Asal Mula Persahabatan Minato dan Uta
- Ep. 8 · Kunjungan Kelas Gakuto dan Waku Hide ke Keluarga