@Stevie333 Looking at my water bottle the ingredients it has are: Magnesium (12mg), Calcium (38mg), Potassium (2.5mg), Sodium (8mg), Bicarbonate (135mg), Chloride (12mg), Nitrate (5mg), Sulphate (14mg) and Dry Residue at 180c (219mg).
Shiraishi is not dence , he viewed her as a classmate . he just cant read her hints cause the way he though of being invisible , he isnt used to affectionate interaction . Kubo should just be blunt that she liked Shiraishi and not dropping hints