To Heart Omake
Japanese title: トゥハート おまけ
Type: Special
Episodes: 6
Source: Visual novel
Genres: Comedy
Studios: OLM
Producers: KSS
Duration: 4 min per ep
Rating: PG-13 - Teens 13 or older

Six short "Special Broadcasts" (omake) were produced and aired after selected episodes. They lasted around five minutes and followed the general style of the main anime, although the characters are drawn as chibis.

(Source: Wikipedia)