I waited until I had some familiarity with Quaint's characters to play this, and I'm VERY glad that I did! I tried to play this around the section of Quaint when the dev released it to get a better experience of what was intended (so somewhat in the middle, after the main character of T Break has been introduced and developed with a few scenes).
I'll cover the technical aspects first. First, of course, is the game mechanic, which is endlessly clever and a perfect usage of the O2A2 restrictions, and it really helps to flesh out T in different conversations that he has with the people around him. The sprite is very cute (T is very cute) and the GUI is really impressive - clean and stylish with an attractive color palette that gives a very sci-fi vibe. The music is pleasant to listen to, and I enjoyed all the little Easter eggs for the different names that you could input.
===SPOILERS FOR T BREAK AND MINOR SPOILERS FOR QUAINT BELOW===
T, from the start, is a pretty polarizing character. I'll go into more detail in my Quaint review, but while he is Q's best friend, confidante, and lover, he's also dismissive, possessive, insensitive, and at times borderline abusive in his behavior. Despite Q's rather vocal desire for reciprocation for his affections, T rebuffs him at every turn, keeping Q solely in the position of "friends with benefits" (and, at times, taking advantage of Q for his own pleasure). However, there are pretty clear indications that T genuinely cares for Q (and is even in love with him); still, with how dishonest he is, it's pretty hard to root for him.
This game, presented from T's point of view, really skyrocketed him in terms of likeability. Here, unlike in Quaint, you get inside T's head, you understand what he's thinking - his own uncertainties regarding his feelings, his fear of losing his friendship with Q if he lets it go too far. You also see how much he treasures Q and thinks of him; if you look in the mirror, then T reminisces about Q's sleeping face, recounting how he kisses him when Q is asleep. He confronts bullies on Q's behalf. The majority of the game is spent talking with his friend Dio about Q and his feelings for him. When seeing Q, T even calls him his LOVER. Here it becomes clear how much of a show that T puts on with Q to mask his real feelings about the matter (though, in turn, that also makes the situation all the more frustrating).
This game was brilliantly set up to offer more insight into this character, who really strikes me as one of the more mysterious of the bunch - a person whose portrayal is constantly clouded both by Q's rosy glasses and T's own dishonesty. Seeing him interact with enemies, friends, and Q himself really fleshed out T's character in ways that were hinted at in Quaint (so far).
The changes in the start menu were also INCREDIBLY adorable!
Really great job on this one; perfect companion piece for Quaint!