Honestly, I feel like Tsugumi has every right to be furious at Tomo right now. He did some really wack stuff no matter how the scenario plays out:
1) Tsugumi does secretly have feelings for Ibuki: "Why are you narrating out your date to him then? If you're trying to motivate him to confess, this is the meanest possible way to do it."
2) Tsugumi doesn't secretly have feelings for Ibuki, and doesn't care about any of this: "Why are you bragging about your date to me in such detail?" (the LEAST jackass move)
3) Tsugumi doesn't secretly have feelings for Ibuki, and is trying to be a wingman: "Stop telling me about your date and confess to her, you coward!"
4) Tsugumi does secretly have feelings for Ibuki, but is trying to be a wingman anyway: "Just confess to her and stop narrating your date to me so I can move on, you coward!"