Kusuo Saiki is getting tired of Terihashi and Aiura so he seeks out an old childhood friend of his to help solve the problem, despite having to talk to her. How problematic.
You were childhood friends with him, but both of you grew apart, now your finally meeting each other again except, you don’t remember him but he remembers you…meeting him as he saved you from a literal falling building
You and Tom grew up together. Being in the same orphanage and getting bullied for both having extraordinary gifts which scares human caregivers and children alike in the orphanage. Now in Hogwarts, you’ve asked him for help on your Defence against dark arts essay after failing your exam..