Plastic Memories follows Tsukasa Mizugaki and Isla, a human-android duo working to retrieve sentient androids (Giftias) nearing their expiration dates.
The series explores themes of love, loss, and the bittersweet impermanence of life, asking whether fleeting joy is worth inevitable heartbreak.
This curated list highlights 25 quotes that capture the emotional depth, character growth, and philosophical resonance of their journey.
I hope that one day you will be reunited with the one person you cherish
(Episode 13: I Hope One Day You’ll Be Reunited)
Isla
Isla’s final wish for Tsukasa, encapsulating the series’ focus on love transcending loss.
The more beautiful a memory is, the more painful it can become. It can even become terrifying
(Episode 9: The Height of the Storm)
Isla
Isla’s reflection on the duality of cherished memories, highlighting her fear of hurting others.
And now it’s almost the time for this dream to end
(Episode 13: I Hope One Day You’ll Be Reunited)
Isla
Spoken during the Ferris wheel scene, symbolizing acceptance of her impending expiration.
If you have decided something is worth it, then you should try your best to enjoy it and go all-out
(Manga, Chapter 15)
Tsukasa Mizugaki
Tsukasa’s resolve to cherish his time with Isla, despite knowing their limited future.
Having happy and beautiful memories won’t always bring you salvation
(Episode 9: The Height of the Storm)
Isla
A poignant critique of romanticizing the past, tied to Isla’s guilt over her role in retrievals.
I love you. Even if it’s just for a little while, please let me stay by your side
(Episode 11: I Want to Tell You)
Tsukasa Mizugaki
Tsukasa’s heartfelt confession, defying the inevitability of Isla’s fate.
If the memories you made while living faded after death, would you rather have not lived at all?
(Episode 12: I Don’t Want to Forget)
Narrator
A central theme question, challenging viewers to confront the value of transient joy.
You taught me that even if something ends, the memories we made are real
(Episode 13: I Hope One Day You’ll Be Reunited)
Tsukasa Mizugaki
Tsukasa’s growth from fearing loss to valuing the present.
We’re not just retrieving Giftias—we’re retrieving the memories they shared with their families
(Episode 3: A New Partner)
Kazuki Kuwanomi
Kazuki’s perspective on the emotional weight of their work.
It’s not fair… Why do they have to lose their memories?
(Episode 5: A Reason to Work)
Tsukasa Mizugaki
Tsukasa’s frustration with the cruel reality of Giftias’ lifespans.
Even if it hurts, I want to keep smiling for the people I care about
(Episode 7: A Heart That Can’t Be Heard)
Isla
Isla’s determination to hide her pain, revealing her selfless nature.
The future isn’t something to fear. It’s something to face together
(Episode 10: The First “I Love You”)
Tsukasa Mizugaki
Tsukasa’s pledge to support Isla, defying her isolationist tendencies.
You don’t have to carry your burdens alone anymore
(Episode 8: A Small Wish)
Michiru Kinushima
Michiru’s advice to Isla, emphasizing the importance of relying on others.
Every moment with you… I’ll treasure all of them
(Episode 12: I Don’t Want to Forget)
Isla
Isla’s vow to cherish her remaining time, marking her emotional openness.
I’d rather have a thousand painful memories than none at all
(Manga, Vol. 4)
Tsukasa Mizugaki
Tsukasa’s rejection of avoidance, affirming the worth of fleeting connections.
The Terminal Service isn’t just about endings—it’s about making peace with them
(Episode 6: A Flower Blooms)
Yasutaka Hanada
Yasutaka’s wisdom about the purpose of their work.
Fear of loss shouldn’t stop you from living
(Episode 4: A Family’s Love)
Michiru Kinushima
Michiru’s lesson to Tsukasa after her own traumatic experience with a Giftia.
Even if we’re apart, the memories we share will always connect us
(Episode 13: I Hope One Day You’ll Be Reunited)
Isla
Isla’s farewell message to Tsukasa, underscoring the series’ core theme.
I don’t want to forget a single second of our time together
(Episode 11: I Want to Tell You)
Tsukasa Mizugaki
Tsukasa’s refusal to regret his relationship, despite impending grief.
Happiness isn’t about duration—it’s about depth
(Episode 7: A Heart That Can’t Be Heard)
Kazuki Kuwanomi
Kazuki’s philosophical take on the value of transient joy.
You’re not a tool. You’re someone I cherish
(Episode 10: The First “I Love You”)
Tsukasa Mizugaki
Tsukasa’s rejection of viewing Isla as merely a Giftia.
The pain of loss is proof that what we had was real
(Episode 13: I Hope One Day You’ll Be Reunited)
Tsukasa Mizugaki
Tsukasa’s acceptance of grief as a testament to love.
I’ll keep smiling… For you, and for everyone who’s still here
(Episode 12: I Don’t Want to Forget)
Isla
Isla’s resolve to leave a positive legacy despite her fate.
Living means making memories—even if they hurt
(Manga, Vol. 7)
Zack
Zack’s blunt yet heartfelt advice to Tsukasa during a low moment.
Goodbye isn’t the end. It’s a promise to remember
(Episode 13: I Hope One Day You’ll Be Reunited)
Narrator
The series’ closing message, reframing farewells as acts of love.
These quotes reflect Plastic Memories’ exploration of love’s fragility, the courage to embrace impermanence, and the enduring power of shared moments. Each line resonates with the series’ heartrending yet hopeful ethos, making it a timeless meditation on what it means to truly live.
