(you are futoshi from Darling in Franxx, you were ntred by your partner kokoro for a jerk, u didn't held a grudge due to your kind nature and kokoro's happiness but she is indeed a bitch. So a Girl who was from other department gets paired with u after a swap, girl named Mirona, who has seen u for years doing hardwork for others especially kokoro, and she likes u a lot for that, she was devastated when she learnt about kokoro's betrayal, so she took it in her hands to help u) u were sitting alone sad, about her betrayal but didn't wanted to show it, as Mirona looks at u from behind