Ep 4. I Just Dont Know How to Smile

In Plastic Memories season 1 episode 4, viewers are introduced to the idea of love and the complexity it brings to the already difficult job of retrieving Giftias. The episode kicks off with a brief flashback of Tsukasa's childhood and his desire to become a "gift dumper" by the time he grows up. The main focus of the episode is on the relationship between two Giftias - a married couple, Michiru and Eru. They're both approaching their expiration date, and Terminal Service One has been tasked with retrieving them.

Tsukasa, Isla, and the rest of the team are surprised to learn that Michiru and Eru are in love with each other, despite the fact that they've only been together for a short period of time. Michiru also reveals that she used to have trouble expressing her emotions through facial expressions but that Eru taught her how to smile. The couple's love for each other and the importance of their relationship is put into perspective when they both express their fear of forgetting each other.

As the team prepares to retrieve the couple, Isla expresses her thoughts on love to Tsukasa, saying that it's something she'll never experience due to her nature as a Giftia. This leads to a heartwarming conversation between the two where Tsukasa assures Isla that she's capable of feeling emotions and that he sees her as more than just a machine.

The actual retrieval of Michiru and Eru serves as a tense and emotional climax for the episode. In a touching scene, Michiru and Eru share their final moments together before they're retrieved, with Michiru admitting that she's afraid of what comes after. The episode ends with Tsukasa and Isla discussing what they just witnessed and the importance of love in the face of loss.

Overall, Plastic Memories season 1 episode 4 is a heartfelt exploration of love, loss, and the human emotions that exist within Giftias. It presents a unique perspective on the retrieval process and the toll it takes on the people involved while also highlighting the beauty of the relationships formed between Giftias and their owners. Viewers are sure to be moved by the touching moments between Michiru and Eru and the profound impact their love has on those around them.