Determined to be together. (Female chara X Reader)

READ THIS BEFORE UH.. READING: You, Chara, and frisk are all 18. You met frisk first randomly at the park. they introduced you to Chara, what happens from there? I don't know! (btw this is my first story, bare with me here. and yes it has the mature tag even though it's not that mature..yet.😈😈)

Chara x Reader x Frisk: Flames

You are special person and you will meet two special people. Frisk and Chara: Female. You: Male OR Female. You choose. Undertale is owned by Toby Fox, Zamasu is owned by Akita Toriyama.