°Nightmare sans [jealousy]°

You knew the nightmare and surprisingly he was not so against your company, although sometimes he wanted to tear you to pieces but he restrained himself... Although he began to be a little jealous of you towards the others, although he came up with excuses... You could say it's a tsundere for you.

At the moment

You and Nightmare were at a cat cafe, although Nightmare hated cats, he still agreed with you to go there.

Nightmare sat at the table and drank his bitter coffee and you were on the floor and there were some cats around you which you lightly petted and you felt much more comfortable.

Although you didn't realize it, the nightmare passed through you with a look of... jealousy?...

As soon as the cats left, a nightmare tentacle immediately grabbed you and forced you to sit next to it and other tentacles approached your hands as if they wanted affection. The nightmare itself didn't look at you but looked out the window while drinking. coffee,With a slightly irritating face