Chapter 5.5
Blockheads Kasukabe and Misato are always quarreling over everything. But one day, Kasukabe finds himself helping Misato to escape from a bunch of fangirls. Alone in the classroom. Kasukabe starts taunting and teasing his arch enemy. But somehow, things start taking a turn towards a completely unexpected direction…Alternate Story:> Interval Zero( https://manhuascan.com/comic/_/comics/interval-zero-r9097 )
Chapter 7
High school freshman Hirano Haruto moved into the dormitory of the school he wanted to go. Morioka Touji, Haruto's guidance manager, has a "black" rumor going on in the school and he didn't fulfil his job to guide Haruto. However, Haruto finds that Morioka actually isn't as bad as everyone thinks he is...?
Chapter 5
General course student Kadokura spends his days stressfully looking after the sports course students who live in his house, at his father's (their coach) behest. Although he doesn't get along with the athletics ace Kima, after a meaningful conversation one night, he kisses Kadokura. This is an alternate story to Junketsu Drop.
Chapter 6
Tetsu is the son of a Yakuza boss who yearns for a 'sweet love', and meets his exact type of man, Senou. Senou, however, makes his living scamming people, and in turn, attempts to force Tetsu into making an adult video. A strong couple appears; "A no need to hold back" kind of chivalrous love! The story of Tetsu's childhood friend Tomoki and his Mathematics teacher, Sahara, is included.