Masashi is Hiroyuki&rsquo;s best friend; he&rsquo;s very peaceful, with an air of quiet optimism. Whenever there&rsquo;s any sort of argument or ruckus, Masashi is usually the cool head that calms everyone down and gets them back on track. &nbsp;&nbsp;    You might not expect it from such an easygoing, soft-spoken guy, but Masashi&rsquo;s actually quite good at sports, and is always busy with club activities. &nbsp;

(Source: RightStuf)

For as long as Akari can remember, she and Hiroyuki have always been friends. But with time, everything changes, and her feelings have turned into something more. As a new semester of high school begins, will the two childhood friends come closer together or drift further apart? Join Hiroyuki, Akari and all their friends - the bubbly Shiho, the quiet Serika, the lovely Kotone, and more - in this heartwarming tale of love, relationships and friendship! 
(Source: RightStuf)

Destiny or delusion? It's a hilarious rollercoaster of laughter and confusion when Taishi, the ultimate otaku, drags his friend Kazuki into the swirling world of ambition, hatred, and love - the world of fan comics! Poor clueless Kazuki must sink or swim when he's dumped straight into the middle of a massive comic convention. Lost amidst hoards of buyers, sellers, and cosplayers, Kazuki is about to be baptized by fire, all in order to lead him toward his true calling: to take over the world through fan comics! 
Meanwhile, Kazuki's childhood friend Mizuki isn't about to let him be dragged from his normal life without a fight! But will she be able to stop the addictive draw of the new world that lies before Kazuki? Little by little, Kazuki is slipping down the path towards destiny - and Taishi is shoving him every step of the way! 
(Source: RightStuf)

Time flies by; Hiroyuki and Akari are 12th-graders now. Both of them and their friends have grown up gradually in someway, physically or mentally, but one of their best friends is missing: the lifelike android Multi. To their surprise, Multi is brought to their campus again without notice, yet she is no longer the same Multi they have known.
 
(Source: Anime News Network)

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)

An anthology of ToHeart 4-koma by various mangaka 
 
Volume 1 (1999/10/01) 
Cover Illustration: Ogataya Haruka 
Back Cover Illustration: Hasegawa Ryuu 
Cover Flaps Illustration: Majime Takako 
Illustration: Okuya Kahiro 
1. Dare ka Ore wo Tomete Kure (だれか俺を止めてくれ) [Hazama Masashi] 
2. Kyoushitsu no Fuukei (教室の風景) [Tonami Minato] 
3. Inuchikku Dantai (イヌチック団体) [Munekichi] 
4. Ai no Memory (愛のメモリー) [Chikusa Yuuko] 
5. Sankaku de Tobase!! (三角で飛ばせ！！) [Tokita Monta] 
6. Anata ni Todoke: Telepathy (あなたに届け▽ テレパシー▽) [Strike Heisuke] 
7. Kurusugawa. (来栖川。) [Hiiragi Seia] 
8. GET Da ze! (GETだぜ！) [Makihara Hisato] 
9. Ai to wa Tatakai de Ari Kesshite Koukai Shinai Koto (愛とは闘いであり決して後悔しないこと) [Tenmaru] 
10. 2-wa no Hato (２羽の鳩) [Nobi Chijimu] 
11. KIND OF LOVE (KIND OF LOVE) [Nekoma Kotomi] 
12. Koi no Target Girl (恋のターゲットガール) [Majime Takako] 
13. Nanchatte To Heart (なんちゃってTo Heart) [Machimura Takakyu] 
14. Do Heart? (Do Heart?) [Uchimura Kaname] 
15. Konna Otoko wa Mote nai (こんな男はモテない) [Fuji Ao] 
16. Otome no Kimochi (乙女のキモチ) [Okuya Kahiro] 
 
Volume 2 (2000/01/01) 
Cover Illustration: Tokita Monta 
Back Cover Illustration: Tonami Minato 
Cover Flaps Illustration: Munekichi 
Illustration: Hazama Masashi 
1. Atta yo (あったよ～) [Yuuki Shinichi] 
2. Motte Mote (もってもて▽) [Tonami Minato] 
3. Brand New Heart (ぶらんにゅーはーと▽) [Strike Heisuke] 
4. Visual Novel (ビジュアル述べる) [Munekichi] 
5. Gakuen Tengoku!? (学園天国！？) [Nanase Miki] 
6. Ojou-sama. (お嬢様。) [Hiiragi Seia] 
7. 2-wa no Hato II (２羽の鳩II) [Nobi Chijimu] 
8. Koisuru Kimi ni Sleeper (恋する君にスリーパー) [Tenmaru] 
9. Aa Goshujin-sama (ああっ　ご主人様っ) [Nekoma Kotomi] 
10. Hana to Mitsubachi (花とみつばち) [Chikusa Yuuko] 
11. Ai to Makoto (愛と誠) [Yoshida Hajime] 
12. Shugyouchuu ni Tsuki Tachiirikinshi (修行中につき立入禁止) [Osada Kaoru] 
13. BAD LUCK ON LOVE (BAD LUCK ON LOVE) [Tsushima Akira] 
14. Hibi Kore Nichijou (日々これ日常) [HRS34] 
15. Sakurasaku (サクラサク) [Nonohara Chiki] 
16. Ai wa Fushigi (愛は不思議) [Okuya Kahiro] 
17. Kono Manga wa PokeSute Mitaiou (この漫画はポケステ未対応) [Tokita Monta] 
18. Test Biyori (テスト日和) [Uchimura Kaname]

Masashi Sato