The Anime Lad
Tenma Tsukamoto wants to confess to classmate Karasuma before he transfers away. Delinquent Kenji Harima wants to confess to Tenma, who barely registers his intentions. Both possess determination. Neither possesses a functional method. Their school days expand into misunderstandings and avoidable public incidents.
Super Eyepatch Fox
Tenma cannot tell Karasuma she loves him. Harima cannot tell Tenma he loves her. Every attempt produces a new misunderstanding, often with wildly disproportionate effort. The school ensemble keeps multiplying the confusion, while parody and delinquent theatrics turn an ordinary chain of crushes into broad comic spectacle.
Father's Basement
If you need romantic characters to state their feelings efficiently, this is an organized campaign against your preferences. Tenma misses Karasuma while Harima misses Tenma, so each failed attempt creates more distance. The reward is timing. The wider class gives those failures enough personality to sustain the chaos.