Ep. 4: Natsuo and Rui stalk Hina to find her boyfriend, leading to a failed plan and a breakup.
Aired on February 2, 2019

With Fumiya’s assistance, Natsuo and Rui attempt to locate Hina and her boyfriend. Their surveillance fails, so they try to steal Hina’s phone to impersonate Rui and break them up, but Rui’s shyness prevents him from speaking. Later, at a restaurant, Natsuo and Shuu argue until Rui throws water at Shuu and flees. Natsuo chases her while Hina tells Shuu they must stay apart. The following day, Natsuo visits his mother’s grave. Rui and Hina join him, with Hina confirming her relationship with Shuu has ended. The three friends pray together at the grave, marking a resolution to the romantic conflict.
Episodes
- Ep. 1 · Natsuo meets Rui on a date, then discovers his teacher and her become his stepsisters.
- Ep. 2 · Natsuo and Rui Pretend to Be Strangers While Hina Cries on the Roof
- Ep. 3 · Natsuo's emotional turmoil regarding Hina's relationship leads to a confusing kiss.
- Ep. 4 · Natsuo and Rui stalk Hina to find her boyfriend, leading to a failed plan and a breakup.
- Ep. 5 · Rui befriends a notorious individual who harbors an uncomfortable attraction to Natsuo.
- Ep. 6 · Natsuo learns a harsh lesson after borrowing a library book without permission.
- Ep. 7 · Natsuo and Hina navigate mistaken identity, a beach confession, and awkward morning encounters.
- Ep. 8 · Natsuo and Alex catch a thief, leading to awkward interactions with Rui and Hina.