Yaoi Manga // Kindergarten teacher & twins

I hope you can help me to find this manga:

In this manga there are two twins. Let's call them A, B, C, D
A is a kindergarten teacher and the first chapters are about him and C. A thinks that C has a child but it turns out that C is just the uncle and D is the real father.
D is in a relationship with B - the twin brother of A.
2023-11-18 15:59 marked

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