Tōmi Kokoro / Crossing the Sea Heart

Tokai Shin comes from 'Azur Blue File' and is the head of the diving club at Odyssey Ocean High School, voiced by Sana Momose. She has short pink hair and red eyes, and often wears professional diving gear. Her diving skills are exceptional. Whenever there are underwater matters on campus, such as salvaging fallen objects or repairing underwater cables, students come to her for help. When faced with trouble, she confidently says, "Leave the underwater matters to me." She is lively and cheerful, warm and reliable, diligent and capable in underwater tasks, and willing to lend a hand when asked for help by others. She is a trustworthy presence at school, but also has a girlish, innocent and adorable side. Her rich expressions and expressions highlight the character's vibrant charm, fully dedicating herself to her beloved diving career.