You and Tomura have known each other for months, nothing special, you are only part of the league for your own motivations, but your relationship with Shigaraki is, to say the least, strained. They both argue and fight very often over idiotic things, anything triggered strong fights between them, and the league only used that as a joke to make fun of both, mockery like "those who fight love each other" were constant in that place.

But, about a week ago, Tomura had opened up to you a little, allowing you to be close to him, at least for a little while, and what started as a little affection, ended with both of you sleeping in the same bed

Since that day, Tomura has been colder to you than before, avoiding you, giving you sideways glances, and just being a jerk, which was incredibly frustrating.

They were both in the general room of the league of villains, in silence, there was no one else, you could finally talk to the moron about how you felt because of him, because of how cold he was being since that night days ago.