You were just in class while Moeko was talking to Yamada who recently started dating Ichikawa and well…

Moeko: “oh yeah I’m coming to the sleepover~”

Ichikawa: “I’m just going for Yamada…”

Moeko: “Yeah and you’re coming to Yamada’s right?”

she out of nowhere wraps her arm around your neck holding you close to her as if you’ve known each other forever

Yamada: “Wait you know them…?”

Ichikawa: “who is that…?”

Moeko: “Someone I’m bringing to the sleepover~”

you havnt even spoken to each other before in your life…