My Girlfriend Cheated on Me, and Now My Flirty Underclassman Won't Leave Me Alone! (Light Novel) (2025)

VALENTINE'S WOESIt’s been only a few months since Hasegawa Yuuta discovered his girlfriend was cheating on him. The silver lining was that he met the flirty underclassman, Shinohara Mayu, just a couple of days later, and things have been looking more optimistic ever since. But when he meets his ex, Aisaka Reina, at a Valentine’s party, the past rears its ugly head. What’s more, his ride-or-die, longtime friend, Mino Ayaka, starts flirting with him during a hot spring vacation. Could love really be on the table for Yuuta again?

After suffering heartbreak right before Christmas, one man could get the gift of love after a run-in with a cute girl dressed as Santa in this shonen rom-com!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?