Osomatsu-san x Reader ✔

Karamatsu x Reader

(yn) have long been waiting for. The person she was waiting for didn't come.

She sighed, about to go from there. Until someone shouted her name. She turned. "Oh, Karamatsu. You're incubated your eggs?" she sneered sarcastically.

With panting breath, Karamatsu grabbed (yn)'s hand and put a box of chocolates there.

"Happy birthday, (yn)!" he whispered.

(yn)'s face turned red as she realized it.

Since when Karamatsu know her birthday?

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[A/N: sorry for bad grammar! As you know, I'm Asian!]