Episode 2
S1, E2: Iori asks Aoi to go on a date to celebrate her 18th birthday. However, Kotone shows up, tells Iori that she is pregnant with his child, and wants him to sign the marriage registration with Aoi as a witness.

S1, E2: Iori asks Aoi to go on a date to celebrate her 18th birthday. However, Kotone shows up, tells Iori that she is pregnant with his child, and wants him to sign the marriage registration with Aoi as a witness.