To Heart
Tatsuya Takahashi
Tatsuya Takahashi was credited as the supervisor for the radio drama 'Peace of Heart' for 'To Heart.'
COOL-WEIGH
COOL-WEIGH is credited as the arranger and performer of the band HEART SESSION on "To Heart."
Rumi Kasahara
Rumi Kasahara was credited with the Japanese dubbing for the 1999 PlayStation version of 'To Heart.'
Chieko Higuchi
Chieko Higuchi was credited with the Japanese voice for the 1999 PlayStation version of 'To Heart.'
Aoi Matsubara (To Heart)
A 15-year-old junior girl working hard to form a mixed martial arts club. Polite, frank, and positive, but also worried about differences between themselves and others.
Remy Miyauchi (To Heart)
A 16-year-old Japanese-American classmate born in California. She is cheerful and generous, with straightforward thinking, and her occasional candor helps those around her relax.
マルチ（To Heart）
The HMX-12 home robot prototype developed by Kurusugawa Electronics is introduced as a student to the protagonist's high school for testing. She likes to make people happy, and when her mood gets too high, she sometimes overheats and collapses.
Shiho Nagaoka (To Heart)
A 16-year-old classmate, she has known the protagonist and Akari since junior high. He is deeply involved in things he loves like singing duet karaoke and is like a close friend to the protagonist.
Kotone Himekawa (To Heart)
A 15-year-old undergrade girl who causes strange phenomena after enrollment and is shunned by those around her. She is taciturn, avoids contact with others, and gradually opens up to the protagonist who actively helps her.
Tomoko Hoshina (To Heart)
A 16-year-old classmate from Kansai, who became class president after advancing to higher education. Excellent grades and calm attitude, unwilling to talk much with those around him, which has caused some classmates to feel resentful.
Serika Kurusugawa (To Heart)
A 17-year-old senior girl from the Kurusugawa Group, elegant in manner but passionate about black magic and spirit summoning, often lost in her own thoughts.
Akari Kamikishi (To Heart)
A 16-year-old girl who has known the protagonist since childhood, considerate and caring, she understands him better than others; The close daily distance also slows down changes in relationships.
ToHeart Original Sound Track（KICA-5038）
PlayStation version original 39-track original soundtrack CD, catalog number KICA-5038 (FA001), JAN4988003229764. Label catalog dated May 28, 1999, and AQUAPLUS old product page dated April 2, 1999.
ピース・オブ・ハート
The ToHeart drama CD, catalog number KICA-5051 (FA007), released on July 14, 2000, is the eleventh story based on Serio's three-week experiences, supervised by Tatsuya Takahashi and scripted by Yosuke Kuroda.
HEART SESSION
The ToHeart band arranged album released on July 30, 1999, catalog number KICA-5040 (FA003), features the COOL-VALUABLE band, who arranged and performed music at AQUAPLUS live events.
Ame (Masami Nakatsuka)
The album by Yami Nakatsu was released on January 31, 2000, catalog number KICS-5001 (FA005), containing ten tracks; Among them, 'Feeling Heart' and 'Soresore Mirai e' are separately arranged versions.
Feeling Heart (Masami Nakatsukasa Single)
Old official website product catalog released on April 2, 1999, catalog number KIDA-5502 (FS001), includes Feeling Heart, Sori's Future, and two vocal-less tracks.