Anyway, I'm Falling In Love With You. manga volume 2 features story and art by Haruka Mitsui.

Mizuho's been thrown into a huge fluster after getting an impossible confession from Saito-sempai, whom she admires... and having little to no experience in love, she ends up bedridden with a fever. While Kizuki and her other childhood friends take care of her, their emotions also run high and won't calm down. In the midst of this, Shin, who's always calm and collected, skips class to invite Mizuho to go to the beach. Mizuho laments that, ""Now that I've been confessed to, I don't understand my own feelings anymore..."" To which Shin says, ""Just reaffirm your own feelings!"" and suddenly embraces her!