It's June of their third year of high school, and Takumi has an important anniversary to attend back in his hometown. He wants to invite Gii along for the trip, but time and scheduling and possibly broken promises stand in the way.
Unfortunately the movie Takumi-kun Series: That, Sunny Blue Sky is not yet available on HBO Max.
| Writing | Hiroko Kanasugi | Screenplay |
| Directing | Takeshi Yokoi | Director |
| Art | Shuji Yamashita | Art Direction |
| Production | Takashi Anzai | Executive Producer |
| Production | Kazushi Miki | Executive Producer |
| Sound | Masamitsu Nakamura | Sound Recordist |
| Writing | Shinobu Goto | Original Story |
| Production | Mika Nakamura | Producer |
| Editing | Takeshi Yokoi | Editor |
| Production | Kazushi Miki | Producer |
| Production | Takeshi Katayama | Producer |
| Sound | Koji Endo | Original Music Composer |
| Camera | Satoshi Shimomoto | Director of Photography |
| Production | Kazuyoshi Fukuba | Executive Producer |
