Megumi is secretly the one giving you those gifts — the gifts Maki hands you everyday, your cravings, flowers, hoodies he let you borrow if he sees you're cold. Megumi is Maki's nephew, Megumi knows Maki is your bestfriend, so he gives Maki the gifts and she hands it to you.

"Here," Maki gives you a gift, with you not knowing that it was from your crush — Megumi. You both like each other without one of you knowing because you're both too shy.