カノジョに浮気されていた俺が、小悪魔な後輩に懐かれています•Kanojo ni Uwaki Sareteita Ore ga, Koakuma na Kouhai ni Natsukareteimasu

My Girlfriend Cheated on Me, and Now My Flirty Underclassman Won’t Leave Me Alone

Just days before Christmas, college sophomore Hasegawa Yuuta gets the worst kind of holiday surprise: his girlfriend's been cheating on him. Depressed and dodging couples on every corner, he stumbles into Shinohara Mayu—an irresistibly bold underclassman dressed like Santa and full of mischief. She's sweet, she's sassy, and she's suddenly everywhere Yuuta goes, delighting in teasing him back to life. But is this just playful fun... or the beginning of something more? (Source: Seven Seas Entertainment)