An utterly ordinary transmigrator and bystander joins a dimensional chatroom, and suddenly starts feeling full of himself, getting carried away.
Weakest Protagonist in History: [What kind of name is this? Shouldn't I be the strongest protagonist in history, wildly badass and taking on Heaven, Earth, and the whole world?]
Girl Forever Seventeen: [This is so damn embarrassing. Leave the group.]
Mad Scientist: [This is so damn embarrassing. Leave the group.]
I'm Not a Siscon, Kyosuke: [This is so damn embarrassing. Leave the group and follow the big shots. "Side-eyeing smile"]
Sisters Are the Cutest: [To the person above, sisters really are the cutest. I'm proud to be a siscon. "Thumbs-up"]
Weakest Protagonist in History: [You're all big shots. I can't afford to mess with you, I can't afford to mess with you. "Crouches with hands over head"]
P.S. This book features the protagonist cross-dressing and a useless System. If that's not your thing, click the top right.