Call Me by No-Name

Megumi Yotsugi, a student at Eichi University, meets Kotoha Furuhashi, a mysterious girl abandoned at a dump. After being rejected as a friend, Megumi learns Kotoha is using an alias and accepts a strange bet: to be her girlfriend until she guesses her real name. As their temporary relationship deepens, Kotoha's painful past emerges, forcing both to confront their emotions and understand what happiness truly means in this bittersweet love story. (Source: MyDramaList) ~~ Adapted from the novel "Call Me by No-Name" (コールミー・バイ・ノーネーム) by Shasendo Yuki (斜線堂 有紀).