MANGA: Houkago no Love Call

1-4)A high school teacher, Ueda Wataru, was rejected by a person he loved back when he was a high school student and has been timid in love ever since. However, he's now fallen in love with his student's father, Ippongi Kazushi, a Yakuza. Although Ueda knows that he shouldn't be, he's fascinated with the good looking Ippongi's sweet words...
5)A Certain Ordinary Day- High school student Akira is petite and cute and always bullied, luckily his childhood friend Ryuusei is always around to fight for him. Except Ryuusei is a terrible fighter who always loses! Akira loves the fact that Ryuusei always comes to his rescue, so he hides the fact that his delicate body hides super human strength!