Tanaka-kun's Valentine.Tanaka receives anonymous valentine chocolates, depressing him as it means he has to put effort into giving a gift in return on White Day. Ohta is mildly depressed when he receives cheaper quality bitter dark chocolate, but things turn sinister when Tanaka finds a threatening note. Ohta suspects it may be Miyano but discounts this when Miyano gives chocolate to Echizen but admits she forgot Tanaka and Ohta’s. After tasting Tanaka’s quality chocolate Ohta suspects it was homemade by Shiraishi, but overhears her admitting she had completely forgotten about Valentine’s day...