@justforthelulz She's just too fluffy for rivals, and in the case of your less pleasant rivals he'd hear their real selves, so there's happily not much room for that kind of stuff. Doesn't fit the style anyhow.
How is he doubting about his feelings again after all this ?? Is looks like it doesn't match the sequence of events
As expected in the official site, this chap is not after he gave her the flowers
BTW in raws apparently in next chap
They are matching the otaku co worker with Fuji, and they are going for a double date from what I can understand
@WhiteEkans it's because this is a flashback to explain how he first fell in love with her lol. They should have put some description or title about this but it was mentioned in the previous chapter that there was going to be a special chapter for an origin story.